You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am planning to visit Los Angeles with my friends. Can you do the reservation?

ASSISTANT: Let me know your airport codes.

USER: My airport codes are MCO-LAX.

ASSISTANT: Can I know your travelling dates?

USER: My journey dates are 02/26 and 02/28.

ASSISTANT: Do you have any preference?

USER: I need break in my journey and I need normal cost flight.

ASSISTANT: Let me know your name.

USER: Kevin Green here.

ASSISTANT: Found ticket with United airlines for price 300 having flight number 1012. Shall I book a ticket?

USER: Please do the booking.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.