You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: I am James Anderson. Can you please help me with changing my recent reservation?

ASSISTANT: Sure, I will help you with that. Just give a moment.

USER: Ok.

ASSISTANT: Sorry, there is no reservation on your name in our database.

USER: That's ok.

ASSISTANT: Thank you for reaching us.

USER: Thanks for the information.