You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I planned to meet my friend in AUS, can you please help me to book a flight ticket from DFW?

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

USER: I prefer to travel on Apr 18 and Apr 20.

ASSISTANT: Do you have any requirements?

USER: I prefer to travel in economy class.

ASSISTANT: May I know your name please?

USER: I am Stephanie Turner.

ASSISTANT: Can I know the connection limit please?

USER: I prefer to travel in a connecting flight.

ASSISTANT: There is a connecting flight American airlines, can I book it?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket has been booked with flight number 1028.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.