You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide  you at this moment?

USER: I would like to book a ticket from LAS to MSP, can you please help me out?

ASSISTANT: Sure, may I know your travel dates?

USER: I am travelling on these dates Dec 11th and 13th.

ASSISTANT: Ok, please tell me your preferences.

USER: I prefer economy class.

ASSISTANT: Ok, do you need any other specifications?

USER: I need a single connected flight.

ASSISTANT: May I know your name to proceed further?

USER: Michelle Thompson here.

ASSISTANT: Ok, there is a direct flight-1023 which is matching to your requirements. Can I reserve the ticket?

USER: OK, you can proceed.

ASSISTANT: I have reserved your ticket with the airlines Spirit and the ticket cost is 100. Have a nice journey.

USER: Thank you for your services.

ASSISTANT: Thank you for opting us.