You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: Have a concern regarding the flight ticket booking from DC - IAD to NY - LGA, can you help me?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Ok, please book on the dates 10/04 and 10/06 respectively.

ASSISTANT: Can I know your name please?

USER: Ok, please book on the name Donald Perez.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed?

USER: Ok, please book.

ASSISTANT: Ok, your ticket has been booked with flight number 1003.

USER: Thank you for assisting me with the booking.

ASSISTANT: Thank you for reaching us.