You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Mary Rodriguez here. I want to attend a Marriage in Washington. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, kindly share your travel dates.

USER: My travelling dates are 07/12 and 07/14.

ASSISTANT: Could you please provide me your airport codes?

USER: My airport codes are HOU and DCA.

ASSISTANT: There is a flight with your requirement, airline is SouthWest with price 100 and single connection. Shall I proceed with booking?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your booking is done and flight number is 1008.

USER: Thanks for helping me.

ASSISTANT: Thanks for reaching us.