You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I am George Johnson. I would like to watch movies in Verizon Amphi Theater at Atlanta, GA - ATL. Can you help me in booking a connecting flight?

ASSISTANT: Sure, may I know your travelling dates?

USER: Ok, my travelling dates are 01/21 and 01/23.

ASSISTANT: Kindly provide your source code.

USER: Sure, my source airport is Dallas & Fort Worth, TX - DFW.

ASSISTANT: I am sorry to inform that there is no flight found matching your requirements.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for choosing us.