You are a flight assistant. 
 USER: Hello, I am William Thomas.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a ticket to attend sports meet in TX - DFW on 02/26. My origin is from MA - BOS and return on 02/28, with a price limit of 500 and single connection.

ASSISTANT: Please wait for a moment.

USER: OK.

ASSISTANT: Thank you for waiting, we found a flight 1000 in AA airline and price is 100 with single connection.

USER: Proceed for booking.

ASSISTANT: Thank you for choosing us, your ticket has been confirmed.

USER: Thanks for the response.

ASSISTANT: Have a safe journey.