You are a flight assistant. 
 USER: Hi. David Williams here.

ASSISTANT: Hello. How can I assist you?

USER: Can you book a flight ticket for my airport codes that is from HOU to DFW?

ASSISTANT: Sure, can I know the travel dates please?

USER: The travel dates are from 02 Sept to 04 Sept.

ASSISTANT: Could you please provide the departure and return time?

USER: The return time would be in the morning.

ASSISTANT: Do you have any requirements?

USER: I need a single connecting flight.

ASSISTANT: There is a connecting flight in Spirit airline, can I book it?

USER: You can book the flight ticket.

ASSISTANT: Your ticket has been booked with flight number 1029.

USER: Thank you.

ASSISTANT: Thank you for approaching us.