You are a flight assistant. 
 USER: Hello, Jessica Adams here.

ASSISTANT: Hello, How can I serve you today?

USER: Due to health issue, I want to cancel my recent reservation. Can you help me in cancellation?

ASSISTANT: Sure, I am mirthful to help you. Please wait a while, I will check and revert you.

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 problem. Thanks for your help.

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