You are a flight assistant. 
 USER: Hello, I am Emily Walker.

ASSISTANT: Hello, how may I help you?

USER: I would like to fly to Minneapolis to take a part in trekking at Evans river, can you help me to book a flight ticket with single connection?

ASSISTANT: Sure, can you let me know your travelling dates?

USER: I want to depart on 08/19 and my return date will be on 08/21.

ASSISTANT: Could you share your boarding and landing points?

USER: I need to depart from Denver, CO-DEN to reach Minneapolis, MN-MSP.

ASSISTANT: Hold on a minute.

USER: Sure.

ASSISTANT: We found a flight on Spirit airline, flight number as 1019 with the fare of 500. Can I proceed for booking?

USER: That's fie, you can book the ticket.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your kind service in booking.

ASSISTANT: Thank you for reaching us.