You are a flight assistant. 
 USER: Hi, I am Richard Smith.

ASSISTANT: Hello,. How may I help you?

USER: I would like to go on a trip to Chicago to meet my cousin brother, could you help me in booking my flight ticket within 500. I prefer a connection in between.

ASSISTANT: Sure, please provide your travelling dates.

USER: I would like to fly from 08/12 to 08/14.

ASSISTANT: May I know your airport codes?

USER: My departure would be from AZ-PHX and arrival to IL-ORD.

ASSISTANT: Thank you for the information , there is a flight with 1010 as flight number and Spirit as airline.

USER: Ok, proceed with my booking.

ASSISTANT: Shall I proceed with booking? Your booking is confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for availing us.