You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Carol Martin, Owing an emergence I want to cancel my recent reservation. Please help me with cancellation?

ASSISTANT: Sure, Please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation found with your name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for choosing our service.