You are a flight assistant. 
 USER: Hi, I am Nicholas Phillips.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to visit Arlington national cemetery hop-on hop-off tour which is famous in Washington DC - IAD. Can you help me to book a connecting flight?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Kindly mention your take off airport code.

USER: I want to take off from Chicago, IL - ORD.

ASSISTANT: Can you please provide me your travel dates?

USER: I want to fly on 08/30 and recur on 09/01.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: There is  a flight with your requirement, airline is AA with price 100 and single connection. Shall I proceed with booking?

USER: Please proceed with the booking.

ASSISTANT: Your booking is done and flight number is 1016.

USER: Thanks for your kind assistance.

ASSISTANT: Thanks for reaching us.