You are a flight assistant. 
 USER: Hi. I am Gary Parker.

ASSISTANT: Hello, how can I help you today?

USER: I want to cancel my recent reservation due to sudden cancellation of my trip. Can you help me?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no active reservation on your given name.

USER: That's Fine. Thank you.

ASSISTANT: Thank you for reaching us.