You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Can you please help me with flight ticket booking from DCA to EWR?

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

USER: Thank you. I have planned my travel dates as Sept 09 and Sept 11.

ASSISTANT: Do you have any specifications about flight connections?

USER: I am looking for single connecting flight so please check with that.

ASSISTANT: Do you have any specifications about class?

USER: I am not specific about any class.

ASSISTANT: Please mention your name.

USER: Sure, myself Stephanie Carter.

ASSISTANT: The American airlines providing an economy class flight with price 100 and the connections 1. Shall I confirm your ticket?

USER: That is fine, please proceed with booking.

ASSISTANT: Your ticket is booked. The flight number is 1004.

USER: Most welcome.

ASSISTANT: Welcome, have a great day.