You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you today?

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

ASSISTANT: Sure, let me know your good name please?

USER: My name is Catherine Lewis.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

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

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Thanks for opting us.