You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Rachel Baker.

ASSISTANT: How can I help you?

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

ASSISTANT: Sure, I am here to help you. May I know your depart and arrival dates?

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

ASSISTANT: Do you prefer a lay by in between your journey?

USER: Yes, I need a flight with 1 connection.

ASSISTANT: Let me know your preferences, if you have any.

USER: I prefer economy class.

ASSISTANT: Thank you for sharing the details, wait for a while.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting, there is a direct flight available with price 100 in Jet Blue airline. Can I reserve it?

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket has been reserved in economy class with flight number 1016.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.

USER: You are welcome.