You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Carol Hernandez here.

ASSISTANT: Carol, how can I help you today?

USER: I want to visit Washington, could you please help me to book a ticket from TX-HOU to DC-DCA?

ASSISTANT: Sure, I will help you with booking, please share your travelling dates?

USER: Ok, my dates of journey is from 02/12 to 02/14.

ASSISTANT: Ok, please hold on for a moment.

USER: Sure, please make sure that the price limit is 200.

ASSISTANT: There is a flight in JetBlue airline with connection 1 price 200 as per your details, can I proceed to booking?

USER: That's perfect, please proceed with this flight ticket.

ASSISTANT: Your ticket is confirmed by flight number 1009.

USER: Thank you for your help in reserving my ticket.

ASSISTANT: My pleasure, have a nice day.