You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am Virginia Walker. I am looking for a flight from EWR to IAD, can you please help me?

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

USER: Sure, my desired trip dates are from 04/16 to 04/18.

ASSISTANT: Do you have any connection limit?

USER: Please make sure with single connection.

ASSISTANT: There is a flight with connection 1 and price 200, can I proceed?

USER: Ok, please proceed.

ASSISTANT: Ok, your ticket has been booked with flight number 1001.

USER: Thank you for your great service.

ASSISTANT: Thank you for choosing us.