You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I would like to travel from DFW to DCA, can you please help me in flight booking?

ASSISTANT: Sure, let me know your travelling dates?

USER: I want to fly on Sept 26, return on Sept 28.

ASSISTANT: Do you have any connection limit?

USER: I need a single connecting flight.

ASSISTANT: Is there any other preferences?

USER: No.

ASSISTANT: Can I know your good name?

USER: My name is Jacob Lopez.

ASSISTANT: We found a connecting flight 1005 in Southwest airline and fare 100 with class is economy. Shall I proceed with booking?

USER: Ok, proceed to booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for availing us.