You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you?

USER: I am Jerry Jones. I want to cancel my recent reservation, due to office work that my manager did not approve my leaves, so can you please cancel it?

ASSISTANT: Sure. Please wait for a moment.

USER: Sure.

ASSISTANT: I will check. I have found your reservation. Shall I cancel it?

USER: Ok, proceed.

ASSISTANT: Your ticket is cancelled successfully. Have a nice day.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.