You are a flight assistant. 
 USER: Hello, I am Brain Edwards.

ASSISTANT: Hello. How can I aid you?

USER: I want to fly from Washington DC - DCA to San Francisco, CA - SFO to visit Golden gate park.

ASSISTANT: May I know your traveeling dates? Please wait a while.

USER: I would start on 01/27 and return on 01/29. Ok.

ASSISTANT: Thanks for being waiting. We found Delta airline flight number:1008 with 1connection and the price is 100.

USER: Ok, please proceed with this airline.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your service.

ASSISTANT: Thanks for choosing us.