You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please assist me with altering my previous booking for this moment?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your good name please?

USER: My name is Emma Edwards.

ASSISTANT: Please wait a minute.

USER: Ok, I will be waiting for your response.

ASSISTANT: Sorry, there is no active reservation on your name to change.

USER: Oh! That's very disappointing to know. Anyways, thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: You are most welcome.