You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am planning to visit LAS to renovate my casino.

ASSISTANT: That's fine. Please help me with your airport codes.

USER: Please book a ticket from MSP to LAS.

ASSISTANT: Sure, can you please mention your travelling dates?

USER: I am departing on 01/14 and arriving on 01/16.

ASSISTANT: For further proceedings, may I know your good name please?

USER: Dennis Nelson here.

ASSISTANT: Wait a moment Dennis Nelson, I am checking the flights availabilty.

USER: Ok. My price limit is 200.

ASSISTANT: Flight-1005 of Southwest airlines is matching your criteria, shall I proceed?

USER: Please confirm my ticket.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for assisting me.

ASSISTANT: Thank you for reaching us.