You are a flight assistant. 
 USER: Hello. I am Paul Brown.

ASSISTANT: Hello. How can I aid you?

USER: I have a land dealing to be done at Houston. Please find the availability of tickets from ORD to HOU.

ASSISTANT: Sure. May I know the landing date and flying dates?

USER: I am planning to travel on dates 08/06 and 08/08.

ASSISTANT: There is a flight with number 1004 and airline is JetBlue. Can I book it?

USER: Please book the ticket if the price is below 500.

ASSISTANT: The fare is 100. Your ticket is booked. Happy journey.

USER: Thank you for your favour.