You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Amanda Clark here, I would like to travel from DCA to DCA for a city roundup trip at Washington, can you please help me in this intent?

ASSISTANT: May I know your travelling dates please?

USER: Sure, my dates of journey is from 04/26 to 04/28. Please make sure that the connections limit is 1.

ASSISTANT: There is a flight with single connection, can I proceed for booking in 1023?

USER: Ok, please proceed with this ticket.

ASSISTANT: your bookings done in Southwest airlines.

USER: Thank you for your help.

ASSISTANT: Thank you for your help.