You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I want to book a flight ticket from DTW to IAH for attending a conference.

ASSISTANT: Sure, can you share your trip dates?

USER: Sure, I want to depart on Dec 12 and arrive on Dec 14.

ASSISTANT: Do you have any connection limit?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Is there any class preference?

USER: No, I do not have any class preference.

ASSISTANT: Are there any other specifications?

USER: Yes, I prefer to travel in a normal cost airline.

ASSISTANT: Please forward your name.

USER: Sure, I am Paul Walker.

ASSISTANT: We found a connecting flight of fare 100 with airline Hawaiian and number 1016. Can I book?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you.