You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I want to cancel my previous reservation, can you please help me with that?

ASSISTANT: Sure, will you mention your name please?

USER: I am happy for your response. My name is Anthony Scott.

ASSISTANT: There is no reservation found under your name.

USER: It's ok, not a problem with that. Thank you.

ASSISTANT: Welcome, have a great day.