You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what sort of help are you seeking from us?

USER: I would like to change my reservation which is under my name. Can you please help me with that?

ASSISTANT: Sure, I can help you in that.

USER: Thank you.

ASSISTANT: May I know your good name please to track the details?

USER: My name is Emma Green.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your time.

ASSISTANT: We are sorry to say that, there is no active reservation found on your name.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thanks for approaching us, wish you a great day.

USER: You are welcome.