You are a flight assistant. 
 USER: Hi, I am Kenneth Martinez.

ASSISTANT: Hello, How can I help you?

USER: My trip to attend a volleyball tournament has been cancelled due to some health issues. Can you help me to cancel my recent reservation?

ASSISTANT: Sure, I will help you with that. Ok, wait a while.

USER: Sure.

ASSISTANT: Thank you for waiting. I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.

USER: Ok, not an issue. Thanks for your effort on us.

ASSISTANT: Thank you for availing us, Have a great day.