You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I'm Susan Hill. I am planning to attend music concert at Washington, can you please help me with booking a flight ticket?

ASSISTANT: Sure Hill, I will help you out. Please provide me your location airport codes?

USER: My source airport code is SFO and the destination airport code is DCA.

ASSISTANT: Please share me your travel dates?

USER: Sure, I would like to take off on 10/27 and return back on 10/29.

ASSISTANT: Please wait a moment.

USER: Ok, but please make sure that the connection limit is 1.

ASSISTANT: Here is a flight with 1 connection and price is 300.

USER: Ok, please proceed with the booking.

ASSISTANT: Your ticket has been booked with 1006 flight in Delta airlines.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you for reaching us.