You are a flight assistant. 
 USER: Hello, I am Steven Nelson.

ASSISTANT: Hello, how can I aid you?

USER: I want to attend to my last exam in Houston, Can you help me for booking from Washington?

ASSISTANT: Sure, can you please help me with your journey dates?

USER: Sure, my journey dates are from 08/02 to 08/04.

ASSISTANT: May I know your airport codes?

USER: My source airport code is DC - DCA. Destination is TX - HOU.

ASSISTANT: Thank you for your details. A flight with price 200 having single connection is found in Hawaiian airline. Flight number is 1027.

USER: Ok, you can proceed for booking.

ASSISTANT: Your ticket is confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.