You are a flight assistant. 
 USER: Hello,. I am Jonathan Wright.

ASSISTANT: Hello, how can I help you?

USER: I would like to attend an interview in CNN's news channel at Atlanta, ATL.

ASSISTANT: Sure, please share me your travelling dates?

USER: My journey dates are, depart on 12/26 and arrival on 12/28.

ASSISTANT: Kindly assign m your source code?

USER: My source point is Charlotte, CLT.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there are no flights with your specifications.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.