You are a flight assistant. 
 USER: Hello, I am Anthony Walker.

ASSISTANT: Hello, how can I aid you today?

USER: I want to attend my brother hometown in Chicago, can you help me with reservation?

ASSISTANT: Sure, can I know your dates of journey please?

USER: My depart is on 08/06 and return on 08/08.

ASSISTANT: Sure, may I know your airport codes please?

USER: It is a round trip  ORD.

ASSISTANT: Do you have any specifications?

USER: Yes, I need flight with single connection. My price limit is 500.

ASSISTANT: Please wait for a while, I will check and let you know.

USER: OK.

ASSISTANT: We found a flight with Frontier airlines, flight number is 1001 with one connection and price is 100. Shall I proceed?

USER: OK, proceed with booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for the help.

ASSISTANT: Thanks for choosing us.