You are a flight assistant. 
 USER: Hi,. I am Katherine Thompson.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my reservation, can you help me with that?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please hold on.

USER: Sure.

ASSISTANT: Sorry, no reservation found on given data.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.