You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I have to attend my brother's marriage at Detroit, can you please help me to book the flight ticket from JFK to DTW?

ASSISTANT: Sure, I will help you to book a flight ticket. Can you please provide me your travelling dates?

USER: I have to depart on 09/12 and also book the return ticket on 09/14.

ASSISTANT: Ok, give me a moment.

USER: Sure.

ASSISTANT: There is one flight is available for you with single connection.

USER: That's perfect! You can book the ticket on the name of William Phillips.

ASSISTANT: Your ticket is booked with flight number 1000 and airline is Southwest.

USER: Thank you very much for your help.

ASSISTANT: May I know your name?

USER: I have already mentioned it.

ASSISTANT: Thank you.