You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Anna Collins. I am planning to attend music concert at LAX, can you please help me with booking a flight ticket from DEN?

ASSISTANT: Sure, we are here to help you. May I know your trip dates?

USER: Sure, I would like to depart on Feb 15 and return on Feb 17.

ASSISTANT: Would you like to prefer direct flight or connecting flight?

USER: I am comfortable with any flight connection.

ASSISTANT: Is there any class preference for you?

USER: No.

ASSISTANT: There is a connecting flight with fare of 200 and 1009 flight number. Shall I proceed?

USER: Yes, please proceed with the booking.

ASSISTANT: Your seat has been reserved with Jet Blue airline in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us, have a good day.

USER: You are welcome.