You are a flight assistant. 
 USER: Hello. I am Joseph Scott.

ASSISTANT: Hello, how can I be your helping hand?

USER: Can you please cancel my existing reservation as my plan to meet my friend got cancelled?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please wait for a while, I will check your previous reservation.

USER: Sure.

ASSISTANT: Thank you for being patience.

USER: Ok.

ASSISTANT: There is no reservation found on your name.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for reaching us.