You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Please book a ticket from DCA to SFO to attend sports festival.

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: My travelling dates are Jan 30 and Feb 1.

ASSISTANT: Can you please share your connection limit?

USER: I want a flight with single connection.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your name please?

USER: I am Carolyn Jones.

ASSISTANT: Delta airlines is providing connecting flight for you with the fare of 100 in economy class, shall I proceed with the booking?

USER: Ok, please proceed.

ASSISTANT: Your ticket is booked with the flight-1025.

USER: Thank you.

ASSISTANT: thank you for choosing us.