You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I assisyt you?

USER: I am Lisa Mitchell. I am planning to go for a shopping in Barton Creek Square at Austin so, could you please avail a flight ticket for me?

ASSISTANT: Sure, may I know your travelling dates?

USER: I want to start on 09/20 and return on 09/22.

ASSISTANT: Kindly provide your journey codes.

USER: IL-ORD and TX-AUS are my journey airport codes.

ASSISTANT: Please wait for a minute, I will revert to you with availability.

USER: Sure.

ASSISTANT: We found a flight with number 1028 and Spirit as airline. The cost of the ticket is 100. Shall I proceed?

USER: Ok, please proceed with my booking.

ASSISTANT: Your booking is done with a connecting flight.

USER: Thank you for your quick response.

ASSISTANT: Thank you for reaching us.