You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may i serve you?

USER: I want to cancel my recent ticket booking due to office work that my manager did not approve my leaves, so can you please cancel it?

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

USER: Sure, I am Donna Scott.

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

USER: Ok.

ASSISTANT: Sorry we couldn't find any reservation on your name.

USER: Fine, thanks for the response.

ASSISTANT: Thank for availing us.