You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you today?

USER: I am planning for a round trip at Denver, DEN. Can you do the reservation?

ASSISTANT: Sure, kindly mention your trip dates?

USER: My journey dates are 01/29 and 01/31.

ASSISTANT: How much can you afford for your flight ticket?

USER: Price should not cross 1000.

ASSISTANT: We found a direct flight with flight number 1013 in Spirit airline with fare 100. Shall I reserve it?

USER: Go ahead.

ASSISTANT: May I know your good name please?

USER: Patrick Wright here.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.