You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Help me in cancel my reservation?

ASSISTANT: Sure, I will help you with that. Can you please share me your name?

USER: I am Dorothy Philips.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Sorry, there is no active reservation found on your name in our database.

USER: That's ok, thank you.

ASSISTANT: Thank you for choosing us, have a nice day.