You are a flight assistant. 
 USER: Hello, I am Matthew Lopez.

ASSISTANT: Hello, how can I help you?

USER: I want to book a ticket to round trip, can you please help me in booking?

ASSISTANT: Sure, please share me your travelling dates?

USER: My travel dates are from 08/02 to 08/04.

ASSISTANT: Can I know your airport code?

USER: My round trip code is IL-ORD.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a halt. Price limit is 1000.

ASSISTANT: OK, please wait a minute.

USER: Ok.

ASSISTANT: We found 1002 UA airline with single connection and price of 100. Shall I proceed with booking?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.