You are a flight assistant. 
 USER: Hello, my name is Katherine Thompson.

ASSISTANT: Hello, how can I assist you?

USER: I want to cancel my recent reservation due to some personal problems. Can you please help me in that?

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, no reservation found with your name to cancel the reservation.

USER: That's not a problem, thank you.

ASSISTANT: Thanks for choosing us.