You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you today?

USER: I want to book a flight ticket from DFW to SFO. Could you help me in booking?

ASSISTANT: Sure, do you need any lay by in between the journey?

USER: I need 1 connecting flight.

ASSISTANT: Ok, may I know your travelling dates?

USER: My travelling dates are from Sep 23-25.

ASSISTANT: Do you have any other preferences?

USER: My return time should be in the afternoon.

ASSISTANT: May I know your good name please?

USER: Angela Roberts here.

ASSISTANT: We found a Spirit airlines with fare of 400 and a break in between the journey matches your schedule.

USER: Yes, please proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1001 and it return in the afternoon.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.