You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I would like to cancel my recent reservation, will you help me with that?

ASSISTANT: Sure, I am happy to help you. May I know your name?

USER: Thank you for accepting my request, myself William Wright.

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

USER: Thank you for helping me.

ASSISTANT: You are welcome and thank you for choosing us.