You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: Can you please help me with cancelling my previous booking?

ASSISTANT: Sure, let me know your name please?

USER: My name is Timothy Phillips.

ASSISTANT: Sorry, no reservation found on your name.

USER: Oh! That's ok. Thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.