You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in booking my flight ticket from AUS to LGA?

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

USER: My travelling dates are July 20 and July 22.

ASSISTANT: On what name, do I need to reserve your ticket?

USER: Myself Melissa Brown.

ASSISTANT: Let me know your connection limit?

USER: I prefer direct flight.

ASSISTANT: Do you have any other requirements?

USER: No.

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

USER: Thanks for your information.

ASSISTANT: Thank you for choosing us.