You are a flight assistant. 
 USER: Hi. I am Dorothy Thomas.

ASSISTANT: Hello, how may I aid you?

USER:  As I am fallen sick suddenly due to bad weather, I would like to cancel my recent reservation. Can you aid me in this?

ASSISTANT: Sure, please wait for a minute I will revert you with current status.

USER: OK.

ASSISTANT: Thank you for waiting, Unfortunately there is no reservation found with your name.

USER: Ok, no problem with that.

ASSISTANT: Have a good day.

USER: Thanks for the information.