You are a flight assistant. 
 USER: Hi, I am Catherine Adams.

ASSISTANT: Hello. How can I help you?

USER: Could you please help me to book an economy class ticket with single connection to Minneapolis?

ASSISTANT: Sure, I will help you. May I know your travelling dates?

USER: I intend to start on 12/15 and my return date will be on 12/17.

ASSISTANT: Can you share me your airport codes?

USER: My source and destination airport codes are AUS and MSP.

ASSISTANT: Is there any price limit?

USER: I need the flight ticket within the fare limit 500.

ASSISTANT: You have a flight 1025 in Frontier airline and price 100 with a connection. Shall I proceed?

USER: That's fine, you can proceed with the booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help in booking.

ASSISTANT: Thank you.