You are a flight assistant. 
 USER: Hi. I am Michelle Anderson.

ASSISTANT: Hello, How can I aid you?

USER: Can you please assist me in booking a flight ticket from HOU to AUS to attend a film festival?

ASSISTANT: Sure, I will assist you.

USER: Thank you.

ASSISTANT: May I know your travelling dates?

USER: I am planning to travel on Nov 13 and return on Nov 15.

ASSISTANT: Do you have any preferences?

USER: I need a direct flight. Price should not exceed 500.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: Ok.

ASSISTANT: There is a direct flight 1017 in Delta airline and price 100 with a connection, Shall I proceed?

USER: You can confirm my reservation with this, if it is a direct flight.

ASSISTANT: Your ticket has been confirmed with direct flight.

USER: Thank you.

ASSISTANT: Thank you.