You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: May I know your good name please?

USER: My name is Ronald Roberts.

ASSISTANT: Thank you. We did not found any flight reservation on your given name.

USER: Ok, no issues.

ASSISTANT: Thanks for choosing us.

USER: Thanks for the help.

ASSISTANT: Thank you, have a good day.