You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Virginia Nelson. I want to meet my uncle in EWR, can you please help me in booking a flight ticket from AUS?

ASSISTANT: Sure, I am ready to help you. May I know your travelling dates?

USER: I would like to fly on Apr 05 and return on Apr 07.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a direct airline.

ASSISTANT: Can you please share your airline preferences?

USER: I would like to prefer normal cost airline.

ASSISTANT: Do you have any class preferences?

USER: No.

ASSISTANT: Do you have any requirements?

USER: No, thank you for asking.

ASSISTANT: Sorry, there are no flights found on your travel dates.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for choosing us.