You are a flight assistant. 
 USER: Hello, I am Jacob Hill.

ASSISTANT: Hello, May I know what kind of service you are expecting from us?

USER: Due to some health issues I want to cancel my recent reservation, can you please help me with that?

ASSISTANT: Sure, please hold on for a minute.

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, no issues.

ASSISTANT: Thank you for making us an enquiry regarding cancellation process.

USER: Thanks for your information.