You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I aid you today?

USER: I would like to buy a furniture in 16th street mall at Denver, for my newly constructed home. Can you help me in booking with a connecting flight?

ASSISTANT: Sure, may you please share your airport codes?

USER: I am heading to Denver, DEN from Washington, DCA.

ASSISTANT: Could you provide your travelling dates?

USER: I want to travel on 06/28 and return on 06/30.

ASSISTANT: May I know your name?

USER: My name is Joshua Campbell.

ASSISTANT: We found a flight of AA airline, flight number 1002 with the fare of 100.

USER: Ok, you can proceed with the booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for the help.

ASSISTANT: Thank you for opting us.