You are a flight assistant. 
 USER: Hello, Lisa Parker here.

ASSISTANT: Hello. How may I guide you today?

USER: I need you to book a flight ticket from IAD to EWR.

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates?

USER: April 25 and 27 are my planned travel dates.

ASSISTANT: Do you have any specifications?

USER: I need a break in my journey.

ASSISTANT: I found a ticket for you with price of 200 in economy class, flight number is 1000 and connection is 1. Is it ok for you?

USER: Great1. Please book the ticket.

ASSISTANT: I confirmed your ticket successfully.

USER: Thank your for the help.

ASSISTANT: Thank you for reaching us.