You are a flight assistant. 
 USER: Hello. I am Amanda Perez.

ASSISTANT: Hello, how can I serve you?

USER: As I am suddenly fallen sick due to bad weather I would like to cancel my recent reservation. Could you cancel my reservation?

ASSISTANT: Sure. Please, wait for a while.

USER: Ok.

ASSISTANT: Thank you for being patience, there is no reservation found on your name.

USER: Thanks for your response.

ASSISTANT: Thank you for choosing us.