You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Is it possible to change the destination code on my ticketed flight? As I will be touring Chicago instead of Los Angeles for my holiday trip. Can you change the flight reservation?

ASSISTANT: Sure, we are to help you.

USER: Ok.

ASSISTANT: Can I have your name to proceed further?

USER: I am Raymond Perez.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your time, sorry no reservation found on your name.

USER: Not a problem. Thank you.

ASSISTANT: Thank you for reaching us.