You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Jacob Lopez.

ASSISTANT: How can I help you?

USER: I just want to cancel my recent reservation, can you help me in that?

ASSISTANT: Sure, I will help you to cancel your reservation.

USER: Thank you.

ASSISTANT: Sorry, no reservation found on your name to cancel your reservation.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Welcome, have a nice day. Thank you for choosing us.