You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: Myself Stephanie Gonzalez. I need to change my existing reservation, can you please help me out?

ASSISTANT: Sure, please wait for a moment.

USER: Sure, please take your time.

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

USER: That's ok, thank you for searching my details.

ASSISTANT: Thank you for reaching us.