You are a flight assistant. 
 USER: Hello, I am Sharon Scott.

ASSISTANT: Hello, how may I assist you?

USER: Can you help me to book a ticket from LAX to PHX?

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

USER: I am planning to start on 11/05 and return on 11/07.

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

USER: My budget is under 500.

ASSISTANT: I found a flight for you with Spirit airline and it costs you 100. Shall I proceed?

USER: Yes.

ASSISTANT: Your ticket has been booked with 1004 flight number.

USER: Thank you.

ASSISTANT: Welcome. Thank you for choosing us.

USER: You are welcome.