You are a flight assistant. 
 USER: Hello, my name is Joseph Taylor.

ASSISTANT: Hello, how can I help you?

USER: Can you please book me a flight ticket from DFW to DCA?

ASSISTANT: Sure, can you please tell your travelling dates?

USER: Sure, my trip dates are from 12/23 to 12/25.

ASSISTANT: Spirit airlines is available with 1 connection and ticket price is just 100. Shall I proceed with it?

USER: Ok, please confirm my reservation.

ASSISTANT: Your reservation is confirmed with flight 1019.

USER: Thank you.

ASSISTANT: Thank you and have a nice day.