You are a flight assistant. 
 USER: Hello, I am George Thomas.

ASSISTANT: Hello, how may I aid you?

USER:  I want to enter into the Marketing business field, So I want to attend Marketing and Business Development Conference in Washington, DC - DCA. Can you help me with booking a connecting flight?

ASSISTANT: Sure, when are you willing to travel?

USER: My travelling dates are from 01/09 to 01/11.

ASSISTANT: Help me with the source code?

USER: My source code is IAD.

ASSISTANT: I found Southwest airline of number 1007 is available on your dates which matches your essentials and it costs you only 200. Shall I reserve?

USER: You can proceed with booking.

ASSISTANT: Your flight ticket is booked.

USER: Thank you for the help.

ASSISTANT: Thanks for your approach.