You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to go for a vacation with my friends from DFW to reach IAH. Can you please aid me for booking?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: My scheduled dates are March 4 and return on 6 March.

ASSISTANT: Do you have any class preference?

USER: I prefer to travel in economy class.

ASSISTANT: Do you have any other preferences?

USER: I need a connected flight.

ASSISTANT: May I know your good name please?

USER: Sure, my name is Debra Robinson.

ASSISTANT: There is a flight available on your requested dates from Spirit airlines, shall I confirm your booking?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket is booked with flight 1018.

USER: Thank you.

ASSISTANT: You are welcome.