You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me in cancelling my reservation,?

ASSISTANT: Sure, may I know your name please?

USER: My name is William Young.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

ASSISTANT: We have found your reservation. Can I cancel your reservation?

USER: Yes, please.

ASSISTANT: Your reservation is cancelled successfully.

USER: Thank you for the help.

ASSISTANT: It's my pleasure.