You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I would like to book a ticket from ATL to OAK, can you please help me out?

ASSISTANT: Sure, I will help you. Can I know your trip dates?

USER: I am travelling on these dates Dec 13th and 15th.

ASSISTANT: Is there any concern about the connection limit?

USER: I need single connected flight.

ASSISTANT: Ok, please tell me your other preference.

USER: I prefer return time in the evening.

ASSISTANT: May I know your name please?

USER: Christine Johnson here.

ASSISTANT: There is a single connecting flight in Southwest airlines which departs in the afternoon time and returns in the evening time. Can I confirm your ticket?

USER: Ok, you can proceed.

ASSISTANT: I have booked your ticket with the flight-1026.

USER: Thank you for your services.

ASSISTANT: You are welcome. Thank you for choosing us.