You are a flight assistant. 
 USER: Hi. I am Amanda Moore.

ASSISTANT: Hello, how can I be your helping hand?

USER: I need to change my existing reservation as my scheduled interview got postponed.

ASSISTANT: Ok.

USER: Can you please assist me with that?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait for a while, I will check your reservation.

USER: Ok.

ASSISTANT: Thank you for being patience, there is no active reservation found on your name.

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

ASSISTANT: Thank you for reaching us.