You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you cancel my recent reservation, which I have done previously to attend a marriage?

ASSISTANT: Sure, may I know your name please?

USER: Sure, myself Timothy Turner.

ASSISTANT: Please wait for a moment.

USER: Sure, get back with status of reservation.

ASSISTANT: Turner, your reservation is successfully cancelled.

USER: Thank you for your help.