You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Michael Turner here.

ASSISTANT: What kind of services are you looking from us?

USER: I would like to visit Zilker Park at Austin, please help me in booking a ticket from JFK to AUS.

ASSISTANT: Michael Turner, I am willing to help you for this. When would you like to travel?

USER: I am willing to travel on Jan 01 and return on Jan 03.

ASSISTANT: Do you have any specifications?

USER: My budget is below 500.

ASSISTANT: Sorry to inform, no flights are found with your criteria.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you very much for reaching us.