You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Matthew Edwards. Can you book a ticket from LAS to PHX?

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

USER: I am planning to start on 07/09 and return back on 07/11.

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

USER: Make sure that price not exceeding 5000.

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

USER: Yes.

ASSISTANT: Your ticket has been booked with 1000 flight number.

USER: Thank you for booking my ticket.

ASSISTANT: Welcome, thank you for choosing us.

USER: You are welcome.