You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you help me to book a flight ticket from SEA to MSP?

ASSISTANT: Sure, may I know your trip dates?

USER: I want to fly on Aug, 22 and return on Aug, 24.

ASSISTANT: Can I know your stopover limit?

USER: I would prefer single stopover.

ASSISTANT: Do you have any other specifications?

USER: No, thanks.

ASSISTANT: We found a flight of american airline, flight number 1004 with the fare of 100.

USER: Please make it confirm.

ASSISTANT: May I know your name?

USER: Mary Johnson here.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.