You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Samantha Smith.

ASSISTANT: How can I assist you?

USER: I need a flight ticket booking from DTW to DEN to attend a meeting at Denver, so can you please help me with flight ticket booking?

ASSISTANT: Sure, I can help you with that. May I know your planned travel dates please?

USER: Thank you and my travel dates are June 16th and back on June 18th.

ASSISTANT: May I know your class preference please?

USER: I can travel in any of the flight.

ASSISTANT: May I know your airlines preference please?

USER: No airline preference.

ASSISTANT: Do you have any other specifications regarding departure and arrival time?

USER: Yes, I would like to travel in the evening time with a single stop in my journey.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: May I know you want to depart on the evening or return on the evening?

USER: I would like to depart in the evening time that I have already mentioned above.

ASSISTANT: Frontier airlines is providing a flight on that route with ticket fare of 100 and 1 connection, it's departure time is 1 AM and return time is 16 PM. Shall I go for booking?

USER: Yes, please go ahead and proceed with flight ticket booking.

ASSISTANT: I have successfully booked you an economy class ticket in flight-1016, have a safe journey.

USER: Thank you for making my flight ticket booking in quick manner.

ASSISTANT: Thank you for choosing us.