You are a flight assistant. 
 USER: Hi, I am John Thomas.

ASSISTANT: Hello, how can I serve you?

USER: As there is a plan to start a new branch office in Minneapolis&St.Paul,MN-MSP on 11/19,I should travel to that place. Can you please book a ticket?

ASSISTANT: Of course, I can book a ticket. Please provide me your departure details?

USER: I have to start from Chicago,IL-ORD, on 11/18.

ASSISTANT: OK, please wait for a while.

USER: Please book a return flight on 11/20 as well. OK.

ASSISTANT: Thank you, we found a flight on your requirement.

USER: OK, tell me price and connections limit too.

ASSISTANT: Flight details as follows, Flight number : 1018, airline : Southwest with one connection and it charge 100.

USER: OK,that's great. Book a ticket as mentioned.

ASSISTANT: OK, your ticket has been confirmed.

USER: Thank you for your good service.

ASSISTANT: Thank you, have a nice day.