You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Gregory Clark.

ASSISTANT: How may I assist you today?

USER: Please book me a ticket from HOU to LAX to attend my office meeting.

ASSISTANT: Sure, let me know your trip dates please?

USER: I would like to leave on 03/21 and 03/23.

ASSISTANT: Do you need any lay by in between your journey?

USER: I need a halt.

ASSISTANT: Do you need any other specifications?

USER: I am looking for normal-cost airline.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: UA airlines with the ticket fare of 200 and a halt in between the journey. Shall I proceed?

USER: Ok, please book this ticket.

ASSISTANT: Your ticket has been confirmed by flight number 1010 and an economy class.

USER: Thank you.

ASSISTANT: Thanks for opting us.