You are a flight assistant. 
 USER: Hello, I am Christopher Edwards.

ASSISTANT: Hello, how may I assist you?

USER:  I want to exhibit my arts in an exhibition at Washington DC- DCA. Help me with booking the flight ticket?

ASSISTANT: Sure, may I know your travelling dates?

USER: I want to travel from 06/26 to 06/28.

ASSISTANT: Please provide your source code.

USER: I would like to leave from Boston, MA - BOS.

ASSISTANT: Do you need any connection?

USER: Yes, I need a stopover.

ASSISTANT: We found a flight with number 1019 and AA as airline. The cost of the ticket is 100.

USER: Please proceed to book.

ASSISTANT: Your booking is done.

USER: Thank you for your helping hand.

ASSISTANT: Thank you for availing us.