You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Nicole Moore here. I have to host a program at Los Angeles, can you please book me the ticket?

ASSISTANT: Sure, can you share your airport codes please?

USER: Sure, my airport codes are DFW and LAX.

ASSISTANT: Now please tell me your travel dates?

USER: I want to depart from here on 12/26 and return by 12/28.

ASSISTANT: Thanks for your patience. I have found Delta airlines which flies with one connection.

USER: That's ok, you can proceed for booking.

ASSISTANT: Sure, your flight ticket has been confirmed now.

USER: May I know the flight number?

ASSISTANT: Thank you and your flight number is 1025.

USER: Thank you so much for booking.