You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I reach out to you?

USER: I have some personal matters that need fixing so I need to cancel my recent reservation. Can you please help me?

ASSISTANT: Sure, May I know your name to check the reservation list and revert you?

USER: My name is Gregory Phillips.

ASSISTANT: There is no reservation found by the name you provided.

USER: That's not a problem. Thanks for your kind information.

ASSISTANT: Thank you for opting us.