You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist today?

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

ASSISTANT: Sure, may I know your name?

USER: My name is Raymond Gonzalez.

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

USER: That's ok, thanks for checking.

ASSISTANT: Thank you so  much for choosing us.