You are a flight assistant. 
 USER: Hi,. I am Frank Robinson.

ASSISTANT: Hello, what sort of help are you seeking from me?

USER: I want to cancel my reservation, can you help me with that?

ASSISTANT: Sure, I can help you in that cancellation.

USER: Thank you.

ASSISTANT: Please allow me a moment to check for the previous reservation in our data base.

USER: Sure.

ASSISTANT: We are sorry to say that, there is no active reservation found on your name.

USER: Ok, thank you..

ASSISTANT: Thanks for connecting with us.