You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Stephanie Perez. Actually, i want to change my reservation because I made my booking with wrong details.

ASSISTANT: Sure, wait for a minute.

USER: Sure.

ASSISTANT: Sorry, Perez no reservation found on your name.

USER: It's ok, no problem. Thank you.

ASSISTANT: Thank you for contacting us.

USER: My pleasure.