You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in booking a flight ticket from EWR to AUS?

ASSISTANT: Please provide your trip dates.

USER: I want to fly on June 28 and return on June 30.

ASSISTANT: Do you need any connection limit?

USER: I need a direct airline.

ASSISTANT: Do you need any other requirements?

USER: No.

ASSISTANT: May I know your name?

USER: Myself Jack Walker.

ASSISTANT: There are no flights found on your routes.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for choosing us.