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

ASSISTANT: Hello, How can I support you today?

USER: I have an appointment with Charlotte senator on 10/11 so, can you please book a ticket?

ASSISTANT: Sure. May I know your return date of trip?

USER: On 10/13 I have to return.

ASSISTANT: Do you need a lay by in between your journey?

USER: Absolutely I need a lay by in between my journey.

ASSISTANT: Please share your boarding and landing point airport codes.

USER: Ok, my boarding airport code is Atlanta, GA - ATL. And my destination code is NC - CLT.

ASSISTANT: Please be hold on for a while.

USER: Sure.

ASSISTANT: Thank you for being hold, unfortunately there are no flights available with your requirements.

USER: Ok, then no problem. I will try with other agency. Thank you for the information.

ASSISTANT: Thank you for approaching us.