You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. Let me know, With which way I can serve you the best today?

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

ASSISTANT: Sure, I can help you in that.

USER: Thanks.

ASSISTANT: Could you let me know your name. So that, I will check your reservation status?

USER: William Lopez is my name.

ASSISTANT: Ok, please wait for a while.

USER: OK.

ASSISTANT: Sorry William Lopez, there is no active reservation on your name to cancel it.

USER: Ok, that's not a problem. Thanks for the information.

ASSISTANT: Thanks for approaching us.