You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Andrew Rodriguez. Would it be possible to change my reservation, which I have done with my name?

ASSISTANT: Sure, please wait. Let me check your reservation status.

USER: Ok.

ASSISTANT: Sorry, I have not found any reservation under your name in our database.

USER: That's ok, thank you for the response.

ASSISTANT: You are welcome and thank you for choosing us.