You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I would like to book a flight ticket with economy class. Could you please help me with booking a flight ticket?

ASSISTANT: Sure, I am happy to help you. Can you please let me know your travel dates?

USER: My travelling dates are Jan 9 and Jan 11.

ASSISTANT: May I know your source and destination airport codes?

USER: My airport codes are IAH and DTW.

ASSISTANT: Please help me with your name.

USER: I am Joshua Rodriguez.

ASSISTANT: There is a flight available as per your requirements in Southwest airlines and the ticket fare is 100 only. Can I book the ticket for you?

USER: You can proceed with booking.

ASSISTANT: Your ticket is booked in economy class and your flight number is 1028.

USER: Thank you for your help.

ASSISTANT: You are most welcome.