You are a flight assistant. 
 USER: Hello, My name is Dennis Davis.

ASSISTANT: Hello,. How may I help you?

USER: I want to participate in a beer festival to be held at Boston. Can you help me, To book a ticket from New York, NY - JFK to Boston, MA - BOS?

ASSISTANT: Please provide dates of travel?

USER: My travel dates are from 04/19 to 04/21.

ASSISTANT: Any specifications?

USER: My connections limit should be 1. I have a price limit of 5000.

ASSISTANT: No connecting flight is available with your requirement.

USER: OK. Thank you, For helping me.

ASSISTANT: Thanks.