You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Mary Smith.

ASSISTANT: How may I serve you today?

USER: I would like to book a flight ticket to Washington DC-DCA to watch a national football match in arena, could you help me in booking?

ASSISTANT: Sure, let me know your travelling dates?

USER: I want to travel on 03/20, and need to catch return flight on 03/22.

ASSISTANT: May I know your source point?

USER: Source is from HOU.

ASSISTANT: We found a flight 1024 in Hawaiian airline with a fare of 200.

USER: Proceed with the booking.

ASSISTANT: Your ticket has been confirmed with a connecting flight.

USER: Thanks for the help.

ASSISTANT: Thank you.