You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I am not feeling well to travel so, I request you to please cancel my recent reservation.

ASSISTANT: Sure, may I know your name?

USER: Nancy Lopez here.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: That's ok, no problem. Thank you for helping me.

ASSISTANT: Ok, thank you for reaching us.