You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, may I know how best I can help you today?

USER:     I would like to cancel my recent reservation, my baseball tournament has been rescheduled to future dates. Can you please help me with it?

ASSISTANT: Sure, we are mirthful to help you. Please provide your good name to check the reservation in the reservation list.

USER: Sure, my name is Christopher Miller.

ASSISTANT: Please wait for a while, I will check the reservation list and revert to you.

USER: Ok, take your time.

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

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us with a query.