You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Richard Allen.

ASSISTANT: How may I aid you?

USER: Will you be my helping hand in booking a flight ticket from MSP to LAS?

ASSISTANT: Sure, may I know on what dates would you like to travel?

USER: I would like to depart on Dec 20 and return on Dec 22.

ASSISTANT: Do you prefer any halt in between journey?

USER: Yes, I prefer a halt in between my journey.

ASSISTANT: Do you have any other specifications?

USER: No, I don't have any other specifications.

ASSISTANT: Based on your details, there is a flight with 1 connection in UA airlines and price is 100. Can I proceed?

USER: You can proceed.

ASSISTANT: Ok, your ticket is booked with the flight 1018.

USER: Thank you for  assisting me.

ASSISTANT: Thank you for choosing us.