You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Please book a flight ticket from DCA to SFO?

ASSISTANT: Sure, I am willing to help you for this. When are you planning your trip?

USER: My journey dates are June 25 and June 27.

ASSISTANT: May I know your name please?

USER: I am Sharon Taylor.

ASSISTANT: Is there any connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: There is a flight with Jet Blue Airlines and the ticket fare is 100. Would you like me to make the booking now?

USER: Go ahead.

ASSISTANT: Your ticket is reserved in economy class with the flight-1001.

USER: Thank you for your help.

ASSISTANT: You are most welcome.