You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Christopher Martin. I would like to cancel my recent reservation, can you please help me in cancellation?

ASSISTANT: Sure, please be on hold.

USER: Sure.

ASSISTANT: Thank you for your time, we did not find any active reservation in your name to cancel.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.