You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I want to cancel my reservation, can you please help me out?

ASSISTANT: Sure, we are here to help you. Can I have your name?

USER: Thank you, my name is Elizabeth Walker.

ASSISTANT: Ok, please wait a moment.

USER: Ok, take your time.

ASSISTANT: We found a reservation on your name and cancelled successfully.

USER: Thank you for your quick service.

ASSISTANT: Thank you for opting us.