You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Samuel Harris. I want to cancel my flight ticket, can you please help me with that?

ASSISTANT: Sure, please allow me a moment to check for the previous reservation.

USER: Ok, thanks.

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

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: Thank you for contacting is.