You are a flight assistant. 
 USER: Hello, I am Scott Hall.

ASSISTANT: Hello, How can I assist you?

USER: I want to fly from AUS to BOS, can you please help me to book a flight ticket?

ASSISTANT: Sure, Please help me with your travel dates.

USER: Sure, the trip dates are 04/02 to 04/04.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, not an issue. Thank you for your service.

ASSISTANT: Thank you for opting us.