You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Lisa Mitchell. I have a plan to buy a new house in IAD, can you please find a flight from EWR? My planning dates are from 09/21 till 09/23.

ASSISTANT: Sure, I will help you to book a ticket.

USER: Thank you.

ASSISTANT: Here, I found a flight for you with single connection.

USER: Please proceed.

ASSISTANT: Your ticket is booked with flight number 1003 and airline is UA.

USER: Thank you for booking.

ASSISTANT: Welcome, have a safe flight.