You are a flight assistant. 
 USER: Hello. I am Justin Adams.

ASSISTANT: Hello, how can I assist you today?

USER: Can you please help me in booking a flight ticket to Washington, IAD as I am planning to attend for my grand parents 60th wedding anniversary?

ASSISTANT: Sure, may I know your boarding point?

USER: My boarding will be from New York, LGA.

ASSISTANT: Ok, on which dates you want to depart and return?

USER: I would like to depart on 04/19. I intend to return on 04/21.

ASSISTANT: Do you need halt in between your journey?

USER: Yes, there should be a lay by.

ASSISTANT: Ok, we found a Delta airline, flight number: 1016, price: 100 with one connection.

USER: You can book this flight.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for assisting me.

ASSISTANT: Thank you, have a good day.