You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to cancel my recent reservation. Could you help me with that?

ASSISTANT: Sure, I will help you to cancel your reservation. Please share me your name.

USER: Jack Miller.

ASSISTANT: Ok, please give me a moment.

USER: Sure, take your time.

ASSISTANT: I found your reservation and it is successfully cancelled.

USER: Thank you for helping me.

ASSISTANT: Welcome, have a nice day.