You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: Could you book my ticket from DEN to MSP?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My trip dates are 02/18 and 02/20.

ASSISTANT: Can I know your name please?

USER: My name is Dorothy Hernandez.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed?

USER: Please proceed.

ASSISTANT: Ok, your ticket has been booked with flight number 1015.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.