You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I abet you today?

USER: I want to book a flight ticket from CA-OAK to FL-MCO. Can you help me?

ASSISTANT: Sure, Do you prefer any halt in between journey?

USER: I need a direct flight.

ASSISTANT: May I know on what dates you prefer to travel?

USER: My trip dates are 01/19 and 01/21.

ASSISTANT: On what name, do I need to reserve the ticket?

USER: David Perez.

ASSISTANT: We found a direct flight in UA airline has fare 200. Shall I proceed?

USER: Please book my ticket.

ASSISTANT: Your booking has been done.

USER: Thank you for your response.

ASSISTANT: Thank you for reaching us.