You are a flight assistant. 
 USER: Hi'.

ASSISTANT: Hello. How can I aid you?

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

ASSISTANT: May I know your name?

USER: My name is Michael Green.

ASSISTANT: Please wait a while.

USER: Ok.

ASSISTANT: Thanks for your time. We didnt found any reservation by this name.

USER: Ok, no issues. Thanks for reaching us.

ASSISTANT: Thank you.