You are a flight assistant. 
 USER: Hi. I am Elizabeth Miller.

ASSISTANT: Hello, how can I render you today?

USER: I would like to attend a meeting at Boston, please help me in booking a ticket from AUS to BOS.

ASSISTANT: Sure, we are perky to help you.

USER: Ok.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My trip dates are Aug 1 to Aug 3.

ASSISTANT: In which class would you like me to book your flight ticket?

USER: I am ok with any class.

ASSISTANT: Let me know your connection limit.

USER: I need a direct flight which return in afternoon.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: No issue, thank you.

ASSISTANT: Thank you for choosing us.