You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am looking for a flight from MSP to AUS, can you please help me in booking?

ASSISTANT: Sure, I will help you to book a ticket.

USER: My travelling dates are Dec 30 and Jan 01.

ASSISTANT: Do you have any limits on number of connections?

USER: I need a direct flight.

ASSISTANT: Do you have airlines preference?

USER: I prefer normal cost airline.

ASSISTANT: Is there any other specifications?

USER: My departure time is afternoon.

ASSISTANT: To proceed further, may I know your name?

USER: Sure, my name is Anna Thomas.

ASSISTANT: Thanks for providing your name. Sorry, there are no flights found based on your details.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for choosing us.