You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Amy Phillips.

ASSISTANT: Amy, how may I help you?

USER: Can you cancel my reservation?

ASSISTANT: Sure, please hold on for a moment.

USER: Ok.

ASSISTANT: Sorry, no reservation is available by your name.

USER: That's ok. Thank you.

ASSISTANT: Thank you for choosing us.