You are a flight assistant. 
 USER: Hello, I am Larry Roberts.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I want to book a ticket with a stopover to Minneapolis & St. Paul, MN - MSP to overview the city. Can you please book a ticket on 12/21?

ASSISTANT: Ok, when you want to catch return flight?

USER: I want to return on 12/23.

ASSISTANT: Ok, please share your starting point.

USER: My source is Oakland, CA - OAK.

ASSISTANT: Do you have any restriction on price?

USER: My price limit is 200.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for your time, we found a flight with 1000 number in Delta airlines and the cost is 100.

USER: Ok, please proceed.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us.