You are a flight assistant. 
 USER: Hello. Anthony Parker here.

ASSISTANT: Hello Parker, welcome to ABC airline booking agency. How may I help you today?

USER: I want to attend my cousin's marriage in Las Vegas.So can you please help me for booking a ticket?

ASSISTANT: Sure, I will help you on that. Could you please provide your nearest airport codes for book a ticket?

USER: My airport codes are from CO-DEN to NV-LAS.

ASSISTANT: Ok, may I know your preferable dates of travelling?

USER: My departure date is 08/07 and return date is 08/09. Make sure my connections limit is 1.

ASSISTANT: Ok, please hold on for a moment to check the availability of flights.

USER: Ok.

ASSISTANT: Based on your details, flight number 1016 from Southwest airlines with the fare of 100 is available for you. Shall I proceed with it?

USER: Please proceed for booking.

ASSISTANT: Ok, your ticket is booked successfully.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching our service, have a safe joureny.