You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Carol Evans.

ASSISTANT: How can I be your helping hand?

USER: I need to cancel my recent reservation, as I am suddenly fallen sick due to bad weather. Please help me in cancelling?

ASSISTANT: Sure, I am here to assist you. Please wait a while.

USER: Ok.

ASSISTANT: Thanks for waiting. There was no reservation found on your name.

USER: Ok, no issues.

ASSISTANT: Thank you for choosing us.

USER: Thanks for your service.