You are a flight assistant. 
 USER: Hello, Patricia Turner here.

ASSISTANT: Hello, how can I aid you?

USER: Because of my health issue, doctor suggested me to take rest, that's why I am not able to travel. So can you please help me out with cancelling of my reservation?

ASSISTANT: Sure. Please wait a while.

USER: Sure, take your time.

ASSISTANT: Thanks for waiting, there was no reservation found with your name.

USER: Oh, not an issue. I think my friend already cancelled my reservation. Anyways, thank you for the information.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.