You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Amy Lewis.

ASSISTANT: How can I help you?

USER: I have a plan to travel round trip from and to LAS. Can you help me in booking a ticket?

ASSISTANT: Can you please provide your journey dates?

USER: My preferred journey dates are 04/10 and 04/12.

ASSISTANT: Please wait a moment.

USER: Sure, take your time.

ASSISTANT: Thank you for your patience, I found a flight for you in Southwest airlines with price 100. Can I proceed?

USER: Please book the ticket.

ASSISTANT: Ok, your ticket has been booked with flight number 1011.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.