Hello, I am Nicholas Hernandez.
user
Hello, How can I assist you?
assistant
I would like to attend a meeting in National Center for Civil and Human Rights at  Austin. Can you book me a ticket on dates from 02/22 and return on 02/24?
user
Sure, Please help me with your journey codes.
assistant
I would leave from IAH and arrive at AUS.
user
Please wait a minute.
assistant
Sure.
user
Sorry, No flights found with your chosen dates.
assistant
That's Ok, thanks for your response.
user
Thank you for opting us.
assistant