You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you?

USER: I am planning for vacation from CA-SFO to DC-IAD.Can you please help me for booking the flight ticket?

ASSISTANT: Sure, can you please provide me your travelling dates?

USER: The travelling dates are from 05/03 to 05/05. Make sure that the connection limit should be 0.

ASSISTANT: Sorry, there is no flight available with 0 connection.

USER: Ok, It's fine.

ASSISTANT: Thank you for your positive response.

USER: Ok, my name is Anna Carter.

ASSISTANT: Ok.

USER: Thank you for your information.