Hello.
user
Hello, how may I help you?
assistant
Can you help me booking a flight ticket from IAD to AUS?
user
Sure, may I know your name?
assistant
I am Gregory Thompson.
user
Thank you. May I know your travel dates?
assistant
I will start on 07/14 and return on 07/16.
user
Ok. Please tell us your class preference.
assistant
No, I am comfortable with any class.
user
Ok. Please be on hold for a while.
assistant
Sure.
user
Sorry, there is no flight available on your given travel dates.
assistant
No problem, thank you for the information.
user
You are welcome and have a nice day.
assistant