You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Dorothy Davis. I would like to cancel my reservation as I am leaving for delegates meet, can you please help me out?

ASSISTANT: I am happy to help you, please wait a moment.

USER: Thank you.

ASSISTANT: Thanks for your patience, there is no flight reserved on your name to cancel it.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thanks for consulting us, have a good day.