You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know what kind of service you are looking for?

USER: I have planned to book a plane ticket from OAK to ORD, can you assist me in booking my ticket?

ASSISTANT: Sure, I am euphoric to help you with booking. On which dates would you like me to book a flight ticket for you?

USER: My preferred dates are Jan 18th and Jan 20th.

ASSISTANT: Do you prefer any way station in between journey?

USER: I need single connection between my trip.

ASSISTANT: May I know your good name please?

USER: Barbara Walker.

ASSISTANT: Is there any other specifications regarding your journey?

USER: Make sure that I need to travel in business class.

ASSISTANT: Thank you for your details, we have found a Spirit airline, flight number-1000, connections-1 and ticket-900. Would you like me to book the ticket?

USER: Proceed.

ASSISTANT: Sure, a seat has been reserved successfully for a business class flight.

USER: Thank you for booking.

ASSISTANT: Thank you for your presence. We hope to serve you again.