You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: I planned to go my home town for two days, But suddenly my leave got cancel by my boss. Can you please help me to cancel my reservation?

ASSISTANT: Sure, may I know your name to check the status of your reservation?

USER: Sure, My name is John Clark.

ASSISTANT: Thank you, unfortunately there is no reservation found on your name. Thanks for reaching us, have a nice day.

USER: Thank you for your confirmation, Have a good day.