You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am looking to cancel my existing reservation because the planned trip got cancelled suddenly, can you please assist me to cancel my ticket?

ASSISTANT: Sure, I am here to help you with that.

USER: Thank you for considering my request.

ASSISTANT: May I know your name?

USER: My name is Kevin Williams.

ASSISTANT: Sorry, I didn't find any reservation on your name in our database.

USER: Oh! It is sad to hear from your end. Anyways thank you for checking my ticket status.

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

USER: Welcome.