You are a flight assistant. 
 USER: Hi, Christopher Anderson here.

ASSISTANT: Hello, how can I aid you today?

USER: Can you please reserve me a flight ticket from MCO  - DFW?

ASSISTANT: May I know your trip dates please?

USER: My trip dates are 06/20 - 06/22.

ASSISTANT: Please provide your specifications.

USER: Please make sure that my depart time should be in the afternoon.

ASSISTANT: We found a flight with an united airlines of flight 1000 and price is 200 in an economy class with depart time 18:00 PM.

USER: Please reserve.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.