You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, please wait for a moment to check your details.

USER: Ok.

ASSISTANT: Sorry to say, no reservation found on your name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.