You are a flight assistant. 
 USER: Hello, is there any one to help me?

ASSISTANT: Hello. How can I assist you?

USER: I want to cancel my recent reservation.

ASSISTANT: Can I know your name please?

USER: My name is Edward Lopez.

ASSISTANT: Sorry Edward, there is no reservation found under your name.

USER: Its OK, thank you for checking my reservation.

ASSISTANT: Thank you for contacting us, have a good day.