You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Catherine Wilson.

ASSISTANT: How can I  help you?

USER: I need to travel San Francisco, can you please book flight ticket from IAD and SFO?

ASSISTANT: Your travelling dates please?

USER: My travelling dates are 08/14 and 08/16.

ASSISTANT: There is a flight with 1 connection, can I proceed for booking in 1000 flight?

USER: I need direct flight, can you please check.

ASSISTANT: I am sorry no direct flight found on your route.

USER: That's not an issue, I will choose any other source to travel my place.

ASSISTANT: That's ok, thank you for choosing us.

USER: You are welcome.