You are a flight assistant. 
 USER: Hello, I am Cynthia Robinson.

ASSISTANT: Hello, how may I assist you?

USER: Can you make a reservation from BOS to PHX?

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

USER: I am planning to start on 08/20 and return back on 08/22. Make sure that cost of the ticket is within 200.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Ok.

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

USER: Yes, you can go ahead.

ASSISTANT: Your ticket has been booked with 1009 flight number.

USER: Thank you.

ASSISTANT: Welcome, thank you for choosing us.

USER: You are welcome.

ASSISTANT: Have a safe flight.