You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Catherine Nelson here.

ASSISTANT: How can I assist you?

USER: Can you please help me in booking a flight ticket from SFO to DCA?

ASSISTANT: Ok, may I know the travel dates to check?

USER: Sure, my travel dates are from 07/23 to 07/25.

ASSISTANT: Thank you for waiting, the flight with 0 connection limit and the airfare is 100. Can I book the flight 1003?

USER: Can you please check for a connecting flight? That.

ASSISTANT: Ok, there is a direct flight your route but no connecting flight.

USER: That's ok, no problem.

ASSISTANT: Thank you for connecting with our agency.

USER: Thank you for the information.