You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Christopher Carter.

ASSISTANT: Can you please tell me how can I assist you?

USER: I want to attend an interview on Las Vegas.Can you please help me for booking a ticket?

ASSISTANT: May I know your travelling dates?

USER: My departure date is 02/15 and return date is 02/17.

ASSISTANT: May I know your travelling codes?

USER: My airport codes are from GA-ATL to NV-LAS. Make sure my connections limit is 1.

ASSISTANT: Here is a flight with 1003 and connection limit is 1. May I proceed with this flight ticket?

USER: Please proceed for booking.

ASSISTANT: Ok, your ticket has been booked with price 100. Thank you for contacting us.

USER: Thank you for helping me.