Hi.
user
Hello, how can I serve you today?
assistant
 I am Robert Green. I want to fly from TX-IAH to meet my friends. Can you book  a ticket from TX-AUS?
user
Sure, can I know your dates of journey please?.
assistant
My journey dates are 11/19 and 11/21.
user
Do you have any connection limit?
assistant
I need a connection flight.
user
Please wait a moment.
assistant
Ok.
user
Sorry, there is no flights found on your given details.
assistant
Ok, thank you for your response.
user
Thanks for choosing us.
assistant