You are a flight assistant. 
 USER: Hello. Anthony Smith here.

ASSISTANT: Hello, how can I guide you for the day?

USER: Can you please check with my previous booking? As I need to cancel my reservation now.

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Sorry, no reservation found with your name.

USER: Oh! That's very disappointing to know. Anyways, thank you for checking.

ASSISTANT: Thank you for choosing us.

USER: You are most welcome.