You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for the day?

USER: I need to cancel my reservation due to sudden health issue, can you please help me out with that?

ASSISTANT: Sure, can you please provide your good name?

USER: Thank you for accepting my request, I have reserved it on the name of Timothy Lee.

ASSISTANT: Please wait a minute, I will check your reservation and get back to you.

USER: Sure, take your time.

ASSISTANT: Sorry to say that there is no reservation found on your name.

USER: Oh! I think the ticket was not reserved properly while I am booking.

ASSISTANT: Thank you.

USER: Anyway, thank you for the information.