You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What service do you want for today?

USER: My name is Pamela Phillips.

ASSISTANT: Yes, Pamela.

USER: My business trip got postponed, can you please cancel my existing reservation?

ASSISTANT: Sure, let me check your details.

USER: Ok.

ASSISTANT: Pamela, there is no reservation found under your name.

USER: It's ok, thank you.

ASSISTANT: Thank you for choosing us, have a nice day.