You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me in cancelling my reservation?

ASSISTANT: Sure, I am here to help you. May I know your name please?

USER: I am Rachel Clark.

ASSISTANT: Ok, please stand by.

USER: Ok.

ASSISTANT: Thank you for your time, sorry we didn't find any reservation on your name.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Thank you.