You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me in cancelling my recent reservation, as my exam got cancelled. Please help me in this?

ASSISTANT: Sure, I am here to help you in cancelling.

USER: Thank you.

ASSISTANT: May I know your name to check your reservation status?

USER: I am John Clark.

ASSISTANT: Ok, please wait for a while. I will check with it and get back to you.

USER: Ok.

ASSISTANT: Sorry to say that, we have not found any reservation on your name in our records.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for choosing us, have a good day.