You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Stephanie Scott. I want to book a flight ticket to Washington, DCA to meet my college friend.

ASSISTANT: Sure, kindly mention your travel dates?

USER: Can you help me in booking a flight ticket with a connecting flight? My travelling dates are from 09/25 to 09/27.

ASSISTANT: May I know your source airport code?

USER: My source code is Washington, IAD.

ASSISTANT: There is a flight with your requirement, airline is UA with price 100 and single connection. Shall I proceed with booing?

USER: Ok, You can proceed with booking.

ASSISTANT: Your booking is done with flight number is 1006.

USER: Thank you.

ASSISTANT: Thanks for reaching us, have a good day.