You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: My name is Andrew Robinson, I want to change my reservation as my plan to meet my friend is postponed. Can you change my reservation?

ASSISTANT: Sure, I am here to help you. Please standby.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no active reservation found on your name.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.