You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Betty Philips.

ASSISTANT: Ok.

USER: As my interview got postponed, I need to change my reservation. Can you please help me?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting. Sorry, there is no reservation found on your name in our data records.

USER: No problem. Thank you.

ASSISTANT: Thank you for reaching us, have a good day.