The first call should help both sides decide whether more time is worthwhile. You do not need to perform a sales routine. You do need enough structure to avoid finishing a pleasant conversation with the same unanswered questions.
Begin by explaining the purpose: “I would like to understand what you want to achieve, check whether we are a good fit and agree the best next step.” Then let the customer explain the project in their own words.
Listen for the decision behind the request
“We need a new website” may mean the old one cannot explain the service. “We want a new kitchen” may mean the layout makes daily life difficult. “We need a planner” may mean the couple cannot manage suppliers while working full time.
Ask what prompted the inquiry now, what a good result would look like and what they want to avoid. Follow up on the answers rather than reading every question from a script.
Clarify timing, budget, important constraints and how the decision will be made. Ask “Who else needs to be involved before you can decide?” without assuming one person's approval is less important. For a business customer, establish the procurement and invoicing steps early.
Discuss money without making it a confrontation
If the budget is unknown, explain the main cost drivers and a meaningful range only if you can support it. “Projects of this scope vary most with [factors]. We need to confirm [unknown] before giving you a dependable figure.”
If the requested scope is beyond the available budget, name the mismatch calmly. Offer a feasible reduced scope if one exists. Do not take a detailed brief for a proposal you already know cannot work, unless there is a clear reason and the customer understands it.
Finish with a shared understanding
Summarize the outcome, key constraints and outstanding questions. Ask the customer to correct anything you misunderstood. Then agree who does what next and by when.
You want [outcome], ideally by [date], and [constraint] matters most. I need [information] before I can confirm [next step]. You will send that by Wednesday, and I will respond on Thursday. Have I understood that correctly?
Send a brief written recap. Capture the words the customer used for success. They help you write a proposal that reflects the actual project and help the delivery team understand why certain details matter.
Go further: Questions to ask before quoting, and how to ask about budget without it being awkward.