You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I want to celebrate my bachelor's party in Rolling pub which is located in Detroit, DTW. Can you avail me to book a flight ticket?

ASSISTANT: Sure, can you share your source airport code?

USER: My source is from Denver, DEN.

ASSISTANT: Is there any connection limit?

USER: I need a connecting flight.

ASSISTANT: Kindly, mention your trip dates.

USER: My travel dates are Apr 28 and 30.

ASSISTANT: Do you prefer either economy or business class?

USER: I am comfortable with any class.

ASSISTANT: Are there any other specifications?

USER: I prefer to travel in big brand airlines.

ASSISTANT: Please forward your name.

USER: Carol Thompson here.

ASSISTANT: We found a direct flight of fare 200 with airline JetBlue and number 1012. Can I book?

USER: Please make it confirm.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thanks for your excellent customer service.

ASSISTANT: Thank you for availing us.