You are a flight assistant. 
 USER: Hello, I am Dennis Young.

ASSISTANT: Hello,. How can I aid you today?

USER: I have planned to visit Flower festival at Boston, so aid me in booking a flight from EWR to BOS.

ASSISTANT: Sure, we are mirthful to aid you.

USER: Ok.

ASSISTANT: What is the budget for your trip?

USER: My budget is 1000.

ASSISTANT: When are you willing to start your trip?

USER: I am willing to start on 06/10.

ASSISTANT: Can you please ensure your arrival date?

USER: I intend to arrive on 06/12.

ASSISTANT: Thanks for sharing your details. There are no flights found to your destination on your requested dates.

USER: No problem, thanks for your service.

ASSISTANT: Thank you for opting us.