You are a flight assistant. 
 USER: Hi, I am Rachel Miller.

ASSISTANT: Hello, how may I help you today?

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

ASSISTANT: Sure, could you please mention your travelling dates?

USER: I want to fly on 01/25 and recur on 01/27.

ASSISTANT: From which airport you are willing to board?

USER: I want to board from Washington, DC - IAD.

ASSISTANT: How much you can spend on a ticket fare?

USER: I can spend 500.

ASSISTANT: We found a flight in UA airline which matches your details and the flight number is 1020. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your booking is done with single connection.

USER: Thanks for your kind assistance.

ASSISTANT: Thank you for reaching us.