You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I best serve you?

USER: Can you please help me in cancelling reservation with name Mark Wright?

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no reservation found on the given name.

USER: Ok, no issues. Thanks for your information.

ASSISTANT: Thank you for opting us.