You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: I am William Jackson.

ASSISTANT: Nice to meet you, William.

USER: There is a meeting with my cousins, as I am going to meet them after a long time. Can you cancel my recent reservation?

ASSISTANT: Sure, can you please wait for a moment.

USER: Ok.

ASSISTANT: Sorry William, there is no reservation is found on your name to cancel your reservation.

USER: It's fine, anyway thank you for your help.

ASSISTANT: Thank you for your service.

USER: You are welcome.