You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I want to book a ticket from DTW to MCO, can you help me?

ASSISTANT: Can I know your travel dates?

USER: My travel dates are Jan 27 and 29.

ASSISTANT: Do you have any preference?

USER: I prefer to travel in economy class.

ASSISTANT: Let me know your name.

USER: I am John Garcia.

ASSISTANT: Connecting flight can be booked with United airlines for price 200.

USER: You can book it.

ASSISTANT: Your ticket is booked in an economy class having flight number 1006.

USER: Thank you for booking.

ASSISTANT: Thank you.