You are a flight assistant. 
 USER: Hi, I am Sandra Davis.

ASSISTANT: Hello, what can I do for you?

USER: I want to book a flight ticket to Washington with price under 200. Please help me with it?

ASSISTANT: Sure, is there a halt you prefer within your journey?

USER: I need a halt in between the journey.

ASSISTANT: May I know your intended dates of travel?

USER: Travel dates are 12/26 and 12/28.

ASSISTANT: Could you please mention your airport codes?

USER: Airport codes rae HOU-DCA.

ASSISTANT: Ok, please wait a minute.

USER: oK.

ASSISTANT: Thank you for being wait. There is a Spirit airline with flight number 1001 and price is 100.

USER: You can proceed with booking.

ASSISTANT: Your reservation is done.

USER: Thanks for the help.

ASSISTANT: Thank you for approaching us.