You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I render you today?

USER: I am Christopher Young, can you please help me in booking the flight ticket?

ASSISTANT: Sure, we are gleeful to help you. Can you please let me know your depart and return dates?

USER: Sure, my travel dates are 06/06 and 06/08.

ASSISTANT: May I know your boarding and landing airport codes?

USER: Sure, my airport codes are DEN and CLT.

ASSISTANT: Do you prefer  economy or business class in your journey?

USER: I am comfortable with any class.

ASSISTANT: We  found a connecting  flight with AA airlines matching your credentials, flight number 1021 and the fare of 100. Shall I proceed?

USER: Yes please, you can proceed with the booking.

ASSISTANT: Your ticket has been reserved in economy class.

USER: Thank you for helping me.

ASSISTANT: Thank you for availing us.