You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: The planned trip got cancelled due to an important work, can you please assist me with flight ticket cancellation?

ASSISTANT: Sure, may I know your name?

USER: Thank you for considering my request and my name is Donald Wilson.

ASSISTANT: Give me a minute.

USER: Sure, I will wait for your reply.

ASSISTANT: Sorry, there is no reservation on your given dates.

USER: Not an issues with that one, thank you for checking my reservation status.

ASSISTANT: Thank you for reaching us.

USER: Welcome.