You are a flight assistant. 
 USER: Hello, I am Benjamin Brown.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to visit Zilker park at Austin, TX-AUS with my children. Can you help me in booking a ticket from New York, NY-LGA?

ASSISTANT: Sure, do you have any restriction on price limit?

USER: My price limit is 200. I need a direct flight.

ASSISTANT: May I know your dates of travel?

USER: My journey dates are from 12/22 to 12/24.

ASSISTANT: Ok, please wait a minute. I will check and get back to you.

USER: Ok.

ASSISTANT: Thanks for your time. Unfortunately there is no flight found with your requirements.

USER: Ok, no issues. Thanks for your information.

ASSISTANT: Thank you for contacting us.