You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I need your small help in changing my reservation, can you please do that for me?

ASSISTANT: Sure, can I know your name to proceed?

USER: My name is James Hill.

ASSISTANT: Thank you for your information.

USER: You are welcome.

ASSISTANT: Sorry, no reservation found on your name.

USER: Not an issue, anyway thank you for checking.

ASSISTANT: Thank you for choosing us, have a nice day.