You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be at your service today?

USER: I would like to travel from DTW to SEA, can you please help me in flight booking?

ASSISTANT: Sure, can you please forward your journey dates?

USER: I want to fly on Oct 19, return on Oct 21.

ASSISTANT: Do you have any connection limit?

USER: I need a single connecting flight.

ASSISTANT: May I know your name please?

USER: My name is Anna Martin.

ASSISTANT: Do you have any other specifications?

USER: My return time should be evening.

ASSISTANT: We found a Frontier airlines, flight number 1001, price is 100 with single stopover. And your return time is 22:00 hours. Shall I proceed?

USER: Ok, proceed to booking.

ASSISTANT: Your ticket has been reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.