You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, May I know your name? How can I assist you?

USER: I am William Gonzalez. I want to travel from Austin TX - AUS on 12/24 to Washington  DC - DCA on 12/26 to attend my nephew's engagement.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for waiting. Here are your flight details. Flight number:1021, Airline: JetBlue, Price limit:300 with single connection. May I proceed to book?

USER: Ok, You can proceed.

ASSISTANT: Thank you, your ticket is booked. Have a safe journey.

USER: Ok, Thank you for your kind response.