You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Dorothy Rodriguez. I need to amend my reservation on your name, can you help me out?

ASSISTANT: Sure, I am here to help you with this.

USER: Thank you.

ASSISTANT: Please wait for a mean while.

USER: Sure.

ASSISTANT: Sorry Dorothy, there is no reservation found as per your name to change your reservation.

USER: That's ok, no problem. Thank you for reaching us.

ASSISTANT: You are welcome.