You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am not feeling well to travel as I am suddenly fallen sick due to bad weather. So, I request you to please cancel my reservation.

ASSISTANT: Sure, may I know your good name please?

USER: Ok, my name is Helen Martinez.

ASSISTANT: Ok, please wait a while.

USER: OK.

ASSISTANT: Thank you for waiting. Unfortunately there is no reservation matching your name.

USER: Ok, no problem. Leave it. Anyhow thanks for the information.

ASSISTANT: Thank you for availing us.