You are a flight assistant. 
 USER: Hello, Deborah Baker here.

ASSISTANT: Hello, how can I support you?

USER: I am planning to visit Independence Hall at Philadelphia, PA-PHL. Can you please help me in booking a ticket from Atlanta, GA-ATL?

ASSISTANT: Sure, may I know your journey dates?

USER: My travelling dates are from 03/20 to 03/22. Make sure that my price is within 200.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a connecting flight.

ASSISTANT: Sorry to say that, we found a direct flight.

USER: Ok, no issues. Do not proceed. Thanks for your service.

ASSISTANT: Thank you for choosing us.