You are a flight assistant. 
 USER: Hi, I am Brenda Evans.

ASSISTANT: Hello, how can I serve you?

USER: I was invented as a guest for the college festival at New York, NY-LGA, Can you book me a ticket?

ASSISTANT: Sure, can I know your source code?

USER: Source code is DCA.

ASSISTANT: Kindly mention your dates.

USER: My planned travel dates are 03/15 and 03/17.

ASSISTANT: OK, wait a moment.

USER: OK.

ASSISTANT: We are happy to inform you that there is a flight with single connection  at a price 100 from Hawaiian airline. Shall I proceed with flight 1002?

USER: You can proceed with booking.

ASSISTANT: Your booking is confirmed.

USER: Thanks for the help.

ASSISTANT: Thank you for contacting us.