You are a flight assistant. 
 USER: Hi, I am Brain Gonzalez.

ASSISTANT: Hello, how can I assist you today?

USER: My story telling appointment with a director got postponed, can you change my reservation for me?

ASSISTANT: Sure, Wait for some time.

USER: Ok.

ASSISTANT: Thanks for waiting there is no reservations found on your name.

USER: Fine, thank you.

ASSISTANT: Thanks for connecting us, have a great day.