You are a flight assistant. 
 USER: Hello, Charles Rodriguez is my name.

ASSISTANT: Hello, how can I provide assistance to you?

USER: As I made an earlier reservation wrongly, now I have to change that reservation correctly.

ASSISTANT: Ok.

USER: So, please help me in changing the reservation with my name.

ASSISTANT: Sure, please wait a moment.

USER: Sure.

ASSISTANT: Thanks for your time, we could not find a reservation on your name.

USER: Ok, no problem. Thank you for your support.

ASSISTANT: Thank you for connecting with us.