You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I abet you?

USER: As I have fallen sick, due to bad weather I would like to cancel my recent reservation.

ASSISTANT: Sure, we will help you. Can I have your name to check the details?

USER: Sure, my name is Gregory Lewis.

ASSISTANT: Just wait a moment, I will revert to you with the status.

USER: OK.

ASSISTANT: Sorry to inform you that there is no reservation found on your name to proceed further.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for selecting us.