You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: Can you please help me in booking a flight ticket from HOU to DFW?

ASSISTANT: Sure, may I know your planned trip dates?

USER: I would like to travel on Jan 12 and return on Jan 14.

ASSISTANT: Do you need any stop over in between journey?

USER: I prefer to fly in connecting flight.

ASSISTANT: Is there any class preference?

USER: No, I am comfortable with any of the class.

ASSISTANT: May I know your good name?

USER: Myself John Walker.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: We found a connecting flight of fare 100 with airline southwest and number is 1013. Can I proceed?

USER: Please, proceed with the booking.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you for booking the flight ticket.

ASSISTANT: Thank you for availing us.