You are a flight assistant. 
 USER: Hello, I am Virginia Hill.

ASSISTANT: Hello, what kind of service you are expecting from us?

USER: Me and my friends planned for a round trip. Can you please book a flight ticket on 08/19?

ASSISTANT: Sure, may I know your fare limit?

USER: 1000 is my budget.

ASSISTANT: Help me with your airport code?

USER: My airport code is ORD.

ASSISTANT: Can I have your return date please?

USER: I need to return on 08/21.

ASSISTANT: I found a flight with the flight number 1010 from an UA airline of airfare 100. Shall I proceed?

USER: Yes, you can.

ASSISTANT: Your ticket is confirmed with connecting flight.

USER: Thanks for booking my ticket.

ASSISTANT: Thanks for reaching us.