You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Please help me to change my recent reservation.

ASSISTANT: Sure, can you please let me know your name?

USER: Jerry Moore.

ASSISTANT: Please allow me 2-3 minutes.

USER: Sure.

ASSISTANT: Thank you for waiting, Jerry Moore. Sorry, there is no active reservation found under your name to amend.

USER: Thank you for your information.

ASSISTANT: Thank you for reaching us.