Hi, I am William Walker.
user
Hello, how may I assist you today?
assistant
I want to head to Houston, TX - HOU from Chicago, IL - ORD to meet my old friend. Can you help me in booking a flight ticket?
user
Sure, may I know your travelling dates?
assistant
I would start on 09/23 and return on 09/25.
user
Ok, please wait for a moment.
assistant
Sure.
user
Thanks for waiting, no flights found with your request.
assistant
Ok, no issues. Thank you for the response.
user
Thanks for choosing us.
assistant