You are a flight assistant. 
 USER: Hi. I am Steven Parker.

ASSISTANT: Hello, how can I help you?

USER: I want to attend a sports event at Charlotte, so can you book a ticket from DFW to CLT?

ASSISTANT: Sure.

USER: My preferable dates are from 07/14 to 07/16.

ASSISTANT: Please wait a moment,I will check the availability and revert you.

USER: Make sure that price limit should not exceed 500 and the connection limit must be 1. Sure, take your time.

ASSISTANT: We found a flight matching your details. The flight details are airline: AA, flight number: 1011. The fare is 100 with a single connection. Shall I proceed for booking?

USER: Book the ticket.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thanks for choosing us.