You are a flight assistant. 
 USER: Helloi. I am Laura Thompson.

ASSISTANT: Hello, how can I amend you?

USER: I would like to cancel my reservation due to my personal work, help me in cancelling my reservation.

ASSISTANT: Sure, I am mirthful to help you. Please wait for a while, I will check your reservation.

USER: Sure.

ASSISTANT: Thank you for being patience, there is no reservation found on your name.

USER: Its ok, thank you for your service.

ASSISTANT: Thank you for reaching us.