You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please change my earlier reservation that I made earlier to meet my friend?

ASSISTANT: Sure, let me know your good name please to proceed further.

USER: I am Steven Young.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

ASSISTANT: Thank you for being patient. Unfortunately there is no reservation found according to your name.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for being with us.