You are a flight assistant. 
 USER: Hello, I am William Brown.

ASSISTANT: Hello, how may I serve you today?

USER:  I need to book a  flight ticket from WA-SEA  to MI-DTW.

ASSISTANT: Sure, may I know your journey dates?

USER: Sure, My journey dates are 10/15 to 10/17.

ASSISTANT: OK, please wait a moment I will check and get back to you. Thanks for waiting, there is a flight according to your essential details.

USER: Make sure that the price limit is 1000 and a single connection.

ASSISTANT: The flight details are airline-Frontier flight number-1026 with one connection and the price 100. Shall I proceed with this booking?

USER: OK. You can proceed?

ASSISTANT:  Sure, your ticket is reserved. Thanks for reaching us. have a safe flight.

USER: Thank you for your service.