Hello, I am Jason Parker.
user
Hello. How can I aid you?
assistant
I would like to travel from IAH to AUS. can you please help me to book a ticket?
user
Ok, may I know your travel dates?
assistant
My travelling dates will be on 06/06 to 06/08.
user
 Ok, please wait.
assistant
Ok.
user
 Sorry, no flights are available on your travel dates.
assistant
Not an issue, thank you.
user
 Thank you for opting us.
assistant