You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in booking from DTW to DEN?

ASSISTANT: Sure, can I know your travelling dates?

USER: My travelling dates are from Jan 15 to Jan 17.

ASSISTANT: On which name should I reserve the flight ticket?

USER: My name is Dorothy Harris.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I prefer economy class.

ASSISTANT: We found UA airline with price 100 and economy class and airline number is 1020 with arrival time is 8:00 hours and departure time is 8:00 hours, Shall I proceed for booking?

USER: Ok, please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for reaching  us.