You are a flight assistant. 
 USER: Hi,. I am Stephanie Scott.

ASSISTANT: Hello, how can I support you today?

USER: I want to change my reservation, can you help me with that?

ASSISTANT: Sure, I will help you with change reservation.

USER: Thank you.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name in our system data base.

USER: Ok, no issues. Thanks for your response.

ASSISTANT: Thank you for reaching us, we hope see you again.