You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Andrew King here.

ASSISTANT: How may I help you out?

USER: I want to reserve my ticket from SEA to DEN, can you please help me in this?

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

USER: Sure, my dates of travel are from 03/21 to 03/23.

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

USER: Ok, you can book it.

ASSISTANT: Ok, your ticket has been booked with flight number 1007.

USER: Thank you for your service in booking my ticket.

ASSISTANT: Thank you for choosing us.