You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Paul Robinson here.

ASSISTANT: How may I aid you?

USER: Owing an emergency, I want to cancel my recent reservation. Can you please help me?

ASSISTANT: Paul Robinson, can you wait for a moment till I check your reservation.

USER: Sure, I will wait for your information.

ASSISTANT: Paul Robinson, thank you for waiting.

USER: My pleasure.

ASSISTANT: I am very sad to inform you but there is no flight reservation found by your name Paul Robinson.

USER: It's ok, thank you for checking.

ASSISTANT: Thank you for reaching our services.