You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Kimberly Young here.

ASSISTANT: How may I aid you?

USER: Due to sudden health issue, I am not able to travel in a flight on those dates, can you please help me out with cancelling of my reservation?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please allow me some time to check your ticket status.

USER: Sure, take your time.

ASSISTANT: Sorry Young, there is no reservation found on your name in our database to cencel.

USER: Oh! I think something went wrong on that situation. Anyway, thank you for the information.

ASSISTANT: You are welcome. Thank you for reaching us. Have a nice day.