You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Could you please book a ticket with a direct flight from AUS?

ASSISTANT: Sure, may I know your travel dates?

USER: My travel dates are July 21 and July 23.

ASSISTANT: Can you please help me with your destination code?

USER: Destination airport code is EWR.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: May I know your name?

USER: My name is Angela Thompson.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for reaching us.