You are a flight assistant. 
 USER: Hi. Nancy Allen here.

ASSISTANT: Hello. How can I help you today?

USER: Reserve a flight ticket that is from DTW to EWR. As I want to visit the empire state building.

ASSISTANT: Sure, I will help you in booking flight ticket. Can you please mention your preferable travel dates?

USER: My preferable dates for travel dare 08/13 to 08/15.

ASSISTANT: Ok, please wait a moment, I will check flight availability.

USER: Sure.

ASSISTANT: I have found a flight in this route, airline is UA and flight number is 1006. Are you ok with this flight?

USER: Book the flight if it is a connecting flight.

ASSISTANT: Yes, it is a single stop over flight. Your flight ticket is booked successfully.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a nice day.