You are a flight assistant. 
 USER: Hello,. I am Dorothy Adams.

ASSISTANT: Hello, how can I aid you?

USER: I just want to cancel my reservation, due to cancel of my trip with friends. Can you please help me with that?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please wait a moment, I will check your details and get back to you.

USER: Sure.

ASSISTANT: Thank you for waiting, we are sorry to inform you that there is no reservation found in our database on your name.

USER: Ok, no issue. Thank you.

ASSISTANT: Thank you for contacting us.