You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I have a concert in IAD, can you book a ticket from LAS?

ASSISTANT: Sure, I would like to know your travel dates?

USER: My trip dates are 04/15 and 04/17. I want to book a ticket in the name of Alexander Hernandez.

ASSISTANT: I found Delta airline with connection 1 as per your details. Can I proceed to booking?

USER: You can book it.

ASSISTANT: Alexander, your ticket is confirmed with flight number 1009.

USER: Thank you for booking.

ASSISTANT: It's my pleasure. Have a safe journey.