You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I serve you today?

USER: My name is Margaret Lewis, I want to book a flight ticket.

ASSISTANT: Sure, Margaret Lewis, we are here to you. Can you please provide your journey details?

USER: OK, My journey starts from TX-HOU to MI-DTW. And my journey dates are departure is on 04/15, return is on 04/17.

ASSISTANT: OK, Thanks for providing your details. Please wait for a couple of minutes, I will check the availability of flight and get back to you.

USER: OK sure.

ASSISTANT: Thank you for waiting, we found a flight based on your details. The flight details are as follows, Flight number:1007, airline: UA, price:100, connection:1. Can I proceed for booking?

USER: Yes please.

ASSISTANT: OK, your ticket has been booked. Thanks for contacting us.

USER: Thank you.

ASSISTANT: Have a great day.