You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I serve you?

USER: I am planning to meet my parents at Minneapolis & St. Paul. Can you help me book a connecting flight from Denver?

ASSISTANT: Sure, I am here to help you. May I know your good name?

USER: Karen Taylor is my name.

ASSISTANT: When you are planning to start your journey?

USER: I would like to start on 05/24.

ASSISTANT: How much should be your ticket fare?

USER: The flight ticket should cost within the fare of 500.

ASSISTANT: Help me with your airport codes to search for the flight availability.

USER: Sure, my journey is from DEN to MSP.

ASSISTANT: Let me know your arrival date, please.

USER: I need to return on 05/26.

ASSISTANT: Thank you for sharing the details, hold on a minute.

USER: Sure.

ASSISTANT: Thank you for your time. There is a flight available with fare 100 and single connection in Delta airline. Do you want me to confirm this ticket?

USER: Proceed for booking.

ASSISTANT: Ok, your ticket has been confirmed with flight number 1009.

USER: Thank you for the booking.

ASSISTANT: Thank you for choosing us.