You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

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

ASSISTANT: Ok, I am here to help you with that. Can I know your planned trip dates?

USER: My travelling dates are from Oct 10-12.

ASSISTANT: May I know your good name?

USER: John Moore here.

ASSISTANT: Is there any other specifications?

USER: I would be comfortable with single stop over.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Delta airlines are providing a flight having a connection limit 1. Can I proceed with the ticket booking?

USER: You can proceed with booking.

ASSISTANT: Your flight ticket is confirmed in an economy class and the flight number 1004.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us. Have a safe journey.