You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Alexander Mitchell. I am planning to travel from MSP to ORD, could you please help me with that?

ASSISTANT: Mitchell, how are you doing? Sure, let me know your dates?

USER: I am doing good.

ASSISTANT: That's good to hear.

USER: Departure date is 01/21 and return date is 01/23.

ASSISTANT: Thank you for your details, there is a flight-1017 of Spirit airline. Price is 100, do you fine?

USER: That's perfect. Please confirm the booking.

ASSISTANT: Thank for your confirmation, your ticket has been booked.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us, hope you have a great journey.