You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me with changing my recent reservation?

ASSISTANT: Sure, can I know you name?

USER: My name is Laura Taylor.

ASSISTANT: Please hold on a moment.

USER: OK.

ASSISTANT: Sorry, there is no reservation found given name.

USER: That's ok, thanks for the help.

ASSISTANT: Thank you for reaching us.