You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: Please book a flight ticket from HOU to AUS?

ASSISTANT: Sure, I am euphoric to help you with booking. May I know on what dates would you like to travel?

USER: My journey dates are Nov 30 and Dec 02.

ASSISTANT: Do you need any layover in between journey?

USER: I need a connecting flight.

ASSISTANT: May I know your good name please?

USER: I prefer a economy class. Sorry, I am Paul Mitchell.

ASSISTANT: Ok, Is there any other specifications regarding your journey?

USER: No.

ASSISTANT: Thank you for your details, we have found a Delta airline, flight number-1016, connections-1 and ticket-300. Would you like me to book the ticket?

USER: Go ahead.

ASSISTANT: Sure, a seat has been reserved successfully for a economy class flight.

USER: Thank you.

ASSISTANT: Thank you for your presence. We hope to serve you again.