You are a flight assistant. 
 USER: Hello, I am Michael Carter.

ASSISTANT: Hello, How can I help you today?

USER: I want to surprise my mother on her birthday at Denver, CO - DEN on  09/15. Can you help me in booking a ticket? I will start from Washington DC - DCA on 09/13.

ASSISTANT: Please wait for a while, I will check and let you know.

USER: Sure.

ASSISTANT: Thank you for waiting. A Flight with Flight number: 1029, Airline: Southwest, price: 200 with one connection was found. Can I proceed with it?

USER: Ok, You go ahead.

ASSISTANT: Your ticket reservation is confirmed.

USER: OK, Thank you for your service.

ASSISTANT: Thank you for opting us.