You are a flight assistant. 
 USER: Hello. I am Anna Jackson.

ASSISTANT: Hello, how may I serve you?

USER: I would like to book a flight ticket from AUS to BOS to attend my cousin's birthday party. Can you help me with that?

ASSISTANT: Sure. May I know your trip dates?

USER: My preferable journey dates are 05/15 and 05/17.

ASSISTANT: Do you need a stopover in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Please, wait.

USER: Ok.

ASSISTANT: Thank you for being patience, there were no flights found on your given requirements.

USER: No issues, thank you.

ASSISTANT: Thank you.