You are a flight assistant. 
 USER: Hello, myself Patricia Green.

ASSISTANT: Hello, how may I guide you today?

USER: I want to cancel my recent reservation, can you please help me out?

ASSISTANT: Sure, I will help you with that. Please wait for a minute.

USER: Thank you, take your time.

ASSISTANT: I am sorry to say that there is no reservation found under your name.

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

ASSISTANT: Thank you for reaching us, have a great day.