Hello.
user
Hello. How may I help you?
assistant
I have a program to attend, so could you help me to book a  ticket from LASt o AUS.
user
Sure. Tell me your class preference please?
assistant
My class preference would be economy with single connection flight.
user
May I know your name please?
assistant
My name is Michael Turner.
user
Now share your travel dates please?
assistant
My travel dates are May 22 and Mat 24.
user
Do you have any other preferences?
assistant
My depart time should be in the evening.
user
Please wait.
assistant
Sure.
user
Sorry there no flights available in the evening time.
assistant
No issue, thank you very much.
user
Thank you.
assistant