You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Richard Robinson.

ASSISTANT: How can I  help you?

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

ASSISTANT: Ok, just a moment please.

USER: Sure, take your time.

ASSISTANT: I am sorry no reservation found on your name.

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

ASSISTANT: Thank you for choosing us.