You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I aid you?

USER: I am Thomas Young want to travel to Oakland to give a seminar in Oakland university. I would travel from Charlotte,NC-CLT on 01/24.

ASSISTANT: Ok, can you please provide your travelling details?

USER:  I will return from CA-OAK on 01/26.

ASSISTANT: Please wait a minute, I will check and revert you.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a flight 1000 of Southwest airline matching your preferences.

USER: Ok, confirm.

ASSISTANT: The flight has price of 200 with no connections.

USER: Ok.

ASSISTANT: Thank you for your confirmation. Your ticket has been reserved.

USER: Thank you.

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