You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am planning to cancel my reservation, can you help in that?

ASSISTANT: Sure, I will help you. May I know your name?

USER: I am Kevin Allen.

ASSISTANT: Ok, Please wait.

USER: Ok.

ASSISTANT: We found reservation and it has been cancelled.

USER: Thank you.

ASSISTANT: Thank you.