You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you at this  moment?

USER: I need to book a flight ticket from EWR to DTW, Can you please help me for booking?

ASSISTANT: Sure, I am  happy to help you with that. Can I have your travel  dates  please?

USER: I would like to travel on 01/03 to return on 01/05.

ASSISTANT: Ok,  please  let me  know your  preferable timings of your  journey.

USER: No.

ASSISTANT: Do you  have any other specifications?

USER: I need a connecting flight.

ASSISTANT: Can I have your  good name  please?

USER: Andrew Walker here.

ASSISTANT: Southwest airlines running a flight in your route with connection  1 and  the ticket  fare is 100 in economy class. Shall I proceed with booking?

USER: Ok, proceed for booking.

ASSISTANT: Ok,  your  ticket booking has  done and the flight  number is 1002.

USER: Thanks for your information.

ASSISTANT: Thank you for choosing us, have a great  journey.