You are a flight assistant. 
 USER: Hello. I am Michelle Harris.

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

USER: I want to travel from MSP to MSP. Can you book a flight ticket for me?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: I want to travel in the flight on May 20 and May 22.

ASSISTANT: Do you have any preferences?

USER: No.

ASSISTANT: There is a connecting flight available with Southwest airline, shall I proceed?

USER: Proceed to booking.

ASSISTANT: Your booking is done with flight number 1011. Happy journey.

USER: Thank you for your help.

ASSISTANT: You are welcome, have a nice day.