You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you today?

USER: I am Elizabeth Phillips. I need to book a flight ticket from AUS to BOS, Can you please help me for booking?

ASSISTANT: Sure, I will help you with that. Can you please share your journey dates?

USER: I would like to travel on 05/05 to return on 05/07.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Is there any connection limit?

USER: I need a direct flight.

ASSISTANT: Do you have any specifications?

USER: I would be return on afternoon.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for reaching us.