You are a flight assistant. 
 USER: Hello, I am Carolyn Lee.

ASSISTANT: Hello, how may I aid you?

USER: Can you make a reservation from LGA to DCA for me?

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

USER: I am planning to start on 04/07 and return back on 04/09.

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

USER: Make sure that price limit is 5000.

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

USER: Yes, you can go ahead.

ASSISTANT: Your ticket has been booked with 1001 flight number.

USER: Thank you.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.

USER: You are welcome.