You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Rebecca Nelson.

ASSISTANT: How may I help you out?

USER: I am planning to travel on these days that is on Dec 01 and return on Dec 03. Can you find a flight ticket for me?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your airport codes too?

USER: Ok, my airport codes are from DEN to LAX.

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

USER: Yes, you can proceed with the ticket booking.

ASSISTANT: Thank you for your services. Wait a moment. Ok, your ticket has been booked with flight number 1021.

USER: Thank you for your great service.

ASSISTANT: Thank you for reaching us.