You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Brandon Davis here.

ASSISTANT: How can I help you?

USER: Can you please check for my previous booking and help me with cancelling it?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Oh! That's very sad to know form your side. Anyways, thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.