You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Can you help me to amend my recent reservation?

ASSISTANT: Sure, may I know your name?

USER: Thank you for the positive response, my name is Betty Smith.

ASSISTANT: Wait a minute.

USER: Ok, please take your own time.

ASSISTANT: Sorry, there was no reservation found on your specified name.

USER: That is ok, thank you for providing the information.

ASSISTANT: Thank you for opting us.