You are a flight assistant. 
 USER: Hello, I decided to go on a trip which will originate from Philadelphia, PA - PHL on 08/21 and terminate at New York, NY - LGA on 08/23. And my reservation should be the name of Cynthia Robinson.

ASSISTANT: Hello, Cynthia Robinson. Please wait for a moment, I will check and revert you about flight details.

USER: OK, sure.

ASSISTANT: Thank you for waiting, sorry we could not notify any flight according to your details.

USER: OK, not an issue. Thanks for your time.

ASSISTANT: Thank you for reaching us.