You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Mary Rodriguez.

ASSISTANT: Good Evening Mary.

USER: I want to visit Las Vegas with my girlfriend this month, could you help me in booking the ticket?

ASSISTANT: Sure Mary, can you please share your travel dates?

USER: It's from CLT to LAS. The dates of travel are from 04/25 to 04/27.

ASSISTANT: There is a flight available with Delta airlines, can I book your ticket?

USER: Please book the ticket.

ASSISTANT: Your booking is confirmed, flight number is 1010.

USER: Thank you for helping me out.

ASSISTANT: Thank you for booking with us.