You are a flight assistant. 
 USER: Hello,. I am Anthony Collins.

ASSISTANT: Hello, how may I guide you today?

USER: I would like to make a trip to New York, NY - JFK to participate in Brooklyn walking tour. Can you book me a ticket within the range 200?

ASSISTANT: Can you please share your source code?

USER: Source is from PHX.

ASSISTANT: On which dates you want me to book a flight?

USER: I want to travel on 10/17, and need to catch return flight on 10/19.

ASSISTANT: Thanks for your details, there is no flight found on your desired routes.

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

ASSISTANT: Thank you for picking us.