You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I assist you?

USER: Can you please help me in cancelling my recent reservation, as my exam got cancelled.

ASSISTANT: Sure, can I know your name please?

USER: I am Gary Walker.

ASSISTANT: Ok, wait a moment please.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Ok, no issues. Thank you for your service.

ASSISTANT: Thank you for approaching us.