You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am Carolyn Nelson, want to travel from DEN to LAX. Please help me in booking my ticket.

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

USER: Thanks and my travelling dates are from 05/20 to 05/22.

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 1023.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.