You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, good morning. How may I assist you today?

USER: I would like to meet my brother at Chicago, could you please help me in booking a ticket?

ASSISTANT: Sure, can you provide us your travel dates?

USER: Sure, my trip dates are from 06/13 to 06/15.

ASSISTANT: May I know your source and destination airport code?

USER: My source airport code is DFW and my destination airport code is ORD.

ASSISTANT: Please wait for a moment, let me check.

USER: Sure.

ASSISTANT: There is a flight available with Spirit airlines, shall I proceed with booking your ticket?

USER: Ok, please proceed my booking with the name of Deborah Hernandez.

ASSISTANT: Sure. Your ticket is confirmed in the name of Deborah Hernandez and your flight number is 1007.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for choosing our service, have a great flight.