You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to visit white house for the first time. So, can you please book a flight ticket from DFW To DCA?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are May 01 and May 03.

ASSISTANT: Please share me your name.

USER: Sure, my name is Barbara Taylor.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a break in between the journey.

ASSISTANT: We found a economy class flight with Spirit airline, flight number: 1021. Shall I book this ticket for you?

USER: Please proceed with booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for the help.

ASSISTANT: Thank you so much.