You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Melissa Harris. I want to visit White House which is located in Washington.Can you please help me in booking my flight ticket from Washington DC - IAD?

ASSISTANT: Ok, may I know your return date?

USER: My return date is on 09/04.

ASSISTANT:  Could you provide me your destination point? Help me with your departure date?

USER: My destination point is New York, NY - JFK. I will depart on 09/02.

ASSISTANT: Do you have any preference?

USER: My fare limit is 200.

ASSISTANT:  We found a connecting flight Delta with fare 100.

USER: Ok.

ASSISTANT: Your booking is confirmed with flight number 1003.

USER: Thank you for your service.

ASSISTANT:  Thank you for availing us.