You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Raymond Anderson.

ASSISTANT: Raymond, how may I aid you?

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

ASSISTANT: Sure, please give me a moment to check your ticket status. Sorry, no reservation is available by your name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for contacting us.