You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, good morning.

USER: Myself James Roberts.

ASSISTANT: I hope you are doing good today, how can I help you?

USER: For some issues I want to cancel my reservation, can you please help me with it?

ASSISTANT: Sure, wait a while, let me check is there any previous reservation on your name.

USER: Ok.

ASSISTANT: There is no reservation on your name, James Roberts.

USER: It's ok. Thank you for the information.

ASSISTANT: Thanks for opting us. Have a nice day.