You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Angela Harris and I want to change my reservation. Can you please help me?

ASSISTANT: Sure, please stay connected while I fetch your current reservation.

USER: Ok, take your time.

ASSISTANT: We don't have any reservation found on your name to change.

USER: Ok, thank you for the information.

ASSISTANT: Thank you.