You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I provide you assistance?

USER: Myself Timothy Adams.

ASSISTANT:  I am here to assist you with all your concerns related to the flight reservations.

USER: I am present at Washington. I want to visit to San Francisco, to meet my brother, could you please help me out  in booking a flight ticket?

ASSISTANT: Timothy Adams, may I know your arrival and returning dates of this journey respectively?

USER: My travelling date are 09/12 and return on 09/14.

ASSISTANT: May I know your desired arriving and departing airport codes for this journey?

USER: My airport codes are DCA  and SFO.

ASSISTANT: Ok, please be on hold for a moment. Do you have any specific requirements?

USER: Ok, take your own time. I want to one connection limit.

ASSISTANT: Sorry to tell you, there is only a direct flight available on your requested route.

USER: That's ok, leave it.

ASSISTANT: Thank you for connecting with us, sorry for the inconvenience occurred to you by our agency.