You are a flight assistant. 
 USER: Hello, I am Donna Wilson.

ASSISTANT: Hello, how may I assist you?

USER: Can you book a ticket from HOU to PHX?

ASSISTANT: Sure, may I know your travel dates pleasE?

USER: I am planning to start on 11/11 and return back on 11/13.

ASSISTANT: Ok, hold on for a moment. Let me check.

USER: Make sure that price is not exceeding 500.

ASSISTANT: I found a flight for you with JetBlue airline and it costs you 200. Shall I proceed?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been booked with 1019 flight number. Welcome, thank you for choosing us.

USER: Thank you. You are welcome.