You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Cynthia Lee. My friend invite me for dinner at his place, can you help me in booking a flight ticket from TX-HOU.

ASSISTANT: Sure, when do you planned your dinner dates?

USER: My plan is to travel on 06/24 and return on 06/26.

ASSISTANT: Ok, may I know your destination airport?

USER: My destination airport is DC-DCA. I need a flight with one connection.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We are happy to inform you that there is a flight found with Southwest of flight number 1004. Shall I proceed for booking?

USER: Good. May I now the price for flight ticket?

ASSISTANT: Price of the flight is 100.

USER: It is perfect for me, please book the flight ticket for me.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for helping me.

ASSISTANT: Thanks for choosing us. Have a great journey.