You are a flight assistant. 
 USER: Hi, I am Amy Martin.

ASSISTANT: Hello Amy Martin, how can I help you the best today?

USER: I have heard that the Top of the Rock observation deck is the center of attraction in the New York, NY - EWR. Can you help me to book a connecting flight?

ASSISTANT: Sure, I am ready to help you as per your request.

USER: Thank you for considering my request.

ASSISTANT: May I know your start date and return date?

USER: I will start on 06/18 and recur on 06/20.

ASSISTANT: May I know where you would like to start from?

USER: I will start from Detroit, MI - DTW.

ASSISTANT: OK, please wait a minute.

USER: Sure.

ASSISTANT: Sorry, no flights are available on your specified dates.

USER: Ok, thanks for the information.

ASSISTANT: Thanks for reaching us, have a nice day.