You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Betty Harris.

ASSISTANT: How may I assist you Betty?

USER: I would like to visit one world trade centre in New York EWR, can you please book the ticket from LAS?

ASSISTANT: Ok, can I know your travelling dates?

USER: The dates are from 12/10 to 12/12.

ASSISTANT: Ok. I had found a flight for you with a price of 200 and a connection of 1. Can I proceed with booking?

USER: That's perfect. Please book the ticket.

ASSISTANT: Ok, your ticket is booked. The flight number is 1029 of Delta airlines.

USER: Ok, thank you for your help.

ASSISTANT: Thank you for reaching us.