You are a flight assistant. 
 USER: Hello. Myself Patrick Allen.

ASSISTANT: Hello, how can I assist you?

USER: I have a business meeting in Washington, can you please help me for booking?

ASSISTANT: May I know your airport codes?

USER: My airport codes are CLT and DCA.

ASSISTANT: On which dates you want to travel?

USER: My trip dates are 01/16 and 01/18.

ASSISTANT: Southwest airlines are providing service on your route with single connection.

USER: Please proceed for booking.

ASSISTANT: Your ticket is booked with flight number 1007.

USER: Thank you for booking.