You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to cancel my recent reservation, as my health is not good to travel. Can you please help me?

ASSISTANT: Sure, can I have your good name please?

USER: I am Raymond Brown.

ASSISTANT: Please be on hold, I will check your reservation is existing or not.

USER: Sure.

ASSISTANT: There is no reservation shown on your name in our recordings.

USER: Ok, no problem.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your information.