Hi.
user
Hello. How can I help you today?
assistant
I need your help in booking my flight ticket to Houston, TX - IAH.
user
Sure, may I know your source airport code?
assistant
Chicago, IL - ORD is my source airport.
user
May I know your travelling dates?
assistant
09/21 and 09/23 are my travelling dates.
user
May I know price limit?
assistant
1000 is my price limit.
user
We found a Spirit 1022 airline which matches your travelling dates. Shall I proceed with booking?
assistant
Please proceed.
user
May I know your name?
assistant
Lisa Mitchell is my name.
user
Your booking has been confirmed on name of  Lisa Mitchell.
assistant
Ok, thanks a lot for the help in booking flight ticket.
user
Thank you for approaching us.
assistant