You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I have to do some modification in my previous flight ticket booking that there is a sudden event held at my home town, so I am unable to travel the trip. Can you please help me out in changing my reservation?

ASSISTANT: Sure, we are pleased to serve you.

USER: Thank you.

ASSISTANT: On whose name, I have to check the reservation list?

USER: My name is Jessica Moore.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for your time, there is no active reservation found in your name.

USER: It's ok, thank you for your help.

ASSISTANT: Thank you for availing us, we will try to serve you for the next time.