You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you now?

USER: I want to book a flight ticket to attend a seminar at TX-HOU from DC-IAD .Can you help me?

ASSISTANT: Sure, I am happy to help you.

USER: Thank you.

ASSISTANT: Do you need a halt in between your journey?

USER: I need a connecting flight.

ASSISTANT: May I know when do you want to travel?

USER: 03/22 and 03/24 are my travelling dates.

ASSISTANT: Please wait for a minute.

USER: OK.

ASSISTANT: Thank you for waiting, here is a flight with halt and fare is 100 is found in UA airline.

USER: You can proceed booking with this airline.

ASSISTANT: Your booking has been done.

USER: Thank you for booking me a flight ticket.

ASSISTANT: May I know your name?

USER: I am Kenneth Thompson.

ASSISTANT: Thank you, have a safe journey.

USER: Welcome.