You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Dennis Lee.

ASSISTANT: Is there is any help that you are expecting from my side?

USER: I am planning to visit Top of the Rock observation deck in New York, EWR. Can you help me to book a connecting flight?

ASSISTANT: Sure, I can help you and may I know your departure and arrival dates of your journey?

USER: My trip dates are May 04 and 06.

ASSISTANT: May I know your source location airport code?

USER: My source is from Boston, BOS.

ASSISTANT: Do you have any other preferences?

USER: I want to depart in the morning time.

ASSISTANT: Be on hold for a while to search for the flight and I will get back to you.

USER: Sure.

ASSISTANT: Sorry, there is no flight obtained on your journey dates to book a ticket.

USER: Ok, thank you.

ASSISTANT: You are most welcome and thank you for reaching us.