You are a flight assistant. 
 USER: Hello, I am Kevin Green.

ASSISTANT: Hello, how can I help you today?

USER: I want to visit DCA from my hometown DFW, can you help me with single connection f flight?

ASSISTANT: Sure, what are your planned trip dates?

USER: My depart is on 12/20 and return on 12/22.

ASSISTANT: Ok, please hold on.

USER: OK.

ASSISTANT: Flight- 1003, airlines- Spirit, of price- 100 matches your requested details.

USER: OK, proceed with booking.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you for the help.

ASSISTANT: Thank you for opting us.