You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am planning to meet my school friend in Chicago, so please book a flight ticket from DTW to ORD.

ASSISTANT:  Sure, may I know your travelling dates?

USER: I want to fly on Oct 09, return on Oct 11.

ASSISTANT: On which name shall I reserve flight ticket?

USER: My name is Samuel Taylor.

ASSISTANT: Do you need any specifications?

USER: I want business class flight ticket.

ASSISTANT: There is a flight with one connection and the price is 200 in Southwest Airlines, can I proceed with the reservation?

USER: Ok, proceed to booking.

ASSISTANT: Your ticket has been reserved with the flight number 1019 in business class.

USER: Thank you.

ASSISTANT: Thank you for reaching our service.