You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello how may I assist you?

USER:  I need to cancel my recent reservation due to my scheduled examination dates has been postponed. Can you please help me in cancellation?

ASSISTANT: Sure, please provide your good name to check the reservation in the reservation list?

USER: I am Jeffrey Thomas.

ASSISTANT: Please wait for some time, I will check with your reservation status and revert to you.

USER: Ok.

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

USER: No issues.

ASSISTANT: Thank you for availing us.

USER: Thank you for your quick response.