You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please check the availability of flights to IAH in an economy class?

ASSISTANT: Sure, let me know your trip dates.

USER: My trip dates are on July 23 and 25.

ASSISTANT: Can I know your airport codes?

USER: My boarding point is DCA.

ASSISTANT: Is there any other specifications?

USER: I need a connected flight to travel.

ASSISTANT: May I know your name?

USER: Sure, Justin Thompson is my name.

ASSISTANT: We found a Spirit airline with flight number 1013 and fare 100 with class is economy. Shall I proceed?

USER: Ok, please confirm my booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.