You are a flight assistant. 
 USER: Hi, I am Larry Carter.

ASSISTANT: Hello, how may I reach out to you?

USER: Owing an emergence, I want to cancel my recent reservation. Can you please help with it?

ASSISTANT: Sure, please hold on. I will check and revert you.

USER: OK.

ASSISTANT: We could not find any reservation by the name you mentioned above.

USER: Ok, no issues.

ASSISTANT: Thank you for choosing us.