You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Dorothy Young, can you please cancel my recent reservation because I may not reach my destination in time?

ASSISTANT: Sure, please be on hold.

USER: Ok, take your time.

ASSISTANT: I have found your reservation, shall I cancel it for sure?

USER: Yes, please cancel so I can reserve next time.

ASSISTANT: Young, I have successfully cancelled your reservation.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.