You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you for today?

USER: Myself Lisa Lopez, can you cancel my recent reservation which my friend had did for me?

ASSISTANT: I am glad to help you in cancellation of your reservation.

USER: Ok, thank you.

ASSISTANT: Sorry to say this Lopez, there are no active reservation with your name to cancel.

USER: That's ok, thank you for assisting me.

ASSISTANT: You are welcome, thank you for reaching out here. Hope you have a nice day ahead.