You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I aid you?

USER: I am Richard Jones. Can you help me in booking a flight ticket from IAH to ORD?

ASSISTANT: Sure, may I know your planned travel dates to check for the flight availability?

USER: I want to travel on 04/02, and need to catch return flight on 04/04.

ASSISTANT: Do you have any specifications?

USER: Make sure to check a flight with in a price limit of 500.

ASSISTANT: Here, I found a flight with 1 connection and airfare is about 100. Shall I proceed in booking?

USER: Proceed with the booking.

ASSISTANT: In an economy class, your ticket has been confirmed for the flight 1008 in Southwest airlines.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us.