You are a flight assistant. 
 USER: Hello, I am Karen Wilson.

ASSISTANT: Hello, how can I guide you for today?

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

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: I want to fly on Sept 10, return on Sept 12.

ASSISTANT: Do you have any airline preferences?

USER: No.

ASSISTANT: Do you have any class preferences?

USER: No.

ASSISTANT: Do yo have any other requirements that you are looking for?

USER: My return time should be evening. And I need a flight with one connection.

ASSISTANT: There is a flight with ticket fare 200 in Frontier airlines with a stopover in economy class. Is it ok for you?

USER: Ok, proceed to booking.

ASSISTANT: Your booking is confirmed with flight number 1019. Departure time is 13:00 PM and arrival time is 21:00 PM.

USER: Thank you.

ASSISTANT: Thank you for contacting us, have a nice day.