You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I am having some important work on the date I have booked the ticket previously. Can you help me to cancel my ticket?

ASSISTANT: Sure. Can you please provide me your name?

USER: My name is Kevin Williams.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure.

ASSISTANT: Thanks for your precious time, there is no active reservation on your name.

USER: Ok, not an issue.

ASSISTANT: Thank you for availing us.

USER: Thank you.