You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ryan Anderson.

ASSISTANT: How can I help you Ryan Anderson.

USER: I would like to cancel my recent reservation.Will you please help me?

ASSISTANT: Sure wait a moment,I will inform you.

USER: Sure.

ASSISTANT: Sorry Ryan Anderson, there is no reservation on your name.

USER: OK, no issues. Thank you for your help.

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