You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I need to cancel my reservation which is booked on the name of Linda Harris. Can you help me out?

ASSISTANT: Sure, I will help you, please wait a moment.

USER: Ok.

ASSISTANT: Sorry Linda Harris, there is no reservation found on your name in our records.

USER: That's ok, no problem. Thank you for your help.

ASSISTANT: Thank you for contacting our agency.

USER: Welcome.