You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you help me to cancel my recent reservation because I am not able to travel with some problem.

ASSISTANT: Sure, I can you help you with it. May I know your name for cancelling?

USER: Please check with name Carolyn Turner because previously I reserved with this name only.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, no reservation was found by the name of Carolyn Turner.

USER: It's not a problem, thank you for your valuable information.

ASSISTANT: Thank you for choosing our services.