You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: My name is Rebecca Adams, due to my personal reasons I want to cancel my recent reservation. Please help me in cancelling process.

ASSISTANT: Yes sure. Let me check the details.

USER: OK.

ASSISTANT: Sorry Adams, there is no reservation found on your name. Sorry for inconvenience.

USER: That's fine. Thank you for the information.

ASSISTANT: Thank you, have a nice day.