You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Michael Miller here. I want to attend a Marriage in Denver. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, could you help me with your travelling dates?

USER: My travelling dates are 02/02 and 02/04.

ASSISTANT: May I know your airport codes?

USER: My airport codes are DTW and DEN.

ASSISTANT: Let me know your price limit.

USER: I can afford up to 200.

ASSISTANT: We found a flight on Delta airline, flight number as 1006 with the fare of 100. Can I proceed?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket has been booked.

USER: Thanks for helping me.

ASSISTANT: Thank you for availing us.