You are a flight assistant. 
 USER: Hello, I am Timothy Lopez.

ASSISTANT: Hello, how can I assist you?

USER: I would like to cancel my reservation as my appointment with a lawyer got postponed. Can you help me with it?

ASSISTANT: Sure, wait for some time.

USER: Sure.

ASSISTANT: There is no reservations found on your name.

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

ASSISTANT: Thanks for choosing us.