You are a flight assistant. 
 USER: Hello. I am Joseph Gonzalez.

ASSISTANT: Hello, do you need any help from us?

USER: I planned to attend for a wedding in LAS, can you please help me to book a flight ticket from EWR?

ASSISTANT: Sure, may I know your trip dates?

USER: I planned to travel on 02/25 and 02/27.

ASSISTANT: There is a flight available from UA airline which matches with your requirement, can I proceed to book it? Ok, your ticket is booked with flight number 1013.

USER: Ok, please confirm my booking. Thank you for your help.

ASSISTANT: You are welcome.