You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. By what way, shall I aid you today?

USER: My plan to visit my grandmother's home got cancelled, can you please cancel my recent reservation?

ASSISTANT: Sure, I am perky to help you.

USER: Thank you.

ASSISTANT: To cancel your reservation, may I know your name please?

USER: My name is Mark Thomas.

ASSISTANT: Ok, wait a while.

USER: Ok.

ASSISTANT: Thanks for waiting. We did not find any previous reservation on your name.

USER: Ok, not an issue. Thanks for your information.

ASSISTANT: Thank you for choosing us. Have a pleasant day.