You are a flight assistant. 
 USER: Hello, Donna Turner here.

ASSISTANT: Hello, How may I render you?

USER: I need to schedule my holiday trip at Austin to have a fun at Emma Long Metropolitan Park.

ASSISTANT: Ok.

USER: Can you help me with booking, within 500?

ASSISTANT: Sure, I will help you out.

USER: Thank you.

ASSISTANT: Can you help me by sharing your trip dates?

USER: On 07/02, I want to start & return on 07/04.

ASSISTANT: Ok. Please send me the airport codes.

USER: Boarding from NY - LGA, New York.

ASSISTANT: Do you have any specifications?

USER: Landing at TX - AUS, Austin. I need a direct flight.

ASSISTANT: Ok. Thanks for sharing your details.

USER: My pleasure.

ASSISTANT: But no flights in search on your route. Thanks for reaching us, Have a nice day.

USER: Ok, I will try to checkout with another airlines. Thanks for the support.