You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you?

USER: Myself Melissa Moore.

ASSISTANT: Welcome to our flight booking agency Melissa.

USER: I need to schedule my rip to Las Vegas for next week?

ASSISTANT: Can I know your preferable dates for the following trip?

USER: Can you please find a flight from New York?

ASSISTANT: Sure, let me know your flying dates please?

USER: Sure, I have to fly on 08/20 and return on 08/22 dates.

ASSISTANT: What are your travel location airport codes for this journey?

USER: Airport codes are from JFK to LAS.

ASSISTANT: Please give me a minute to check with the availability.

USER: Sure, I hope I'll get a good airline for my trip.

ASSISTANT: I found a direct flight by Frontier airlines, can I book it for you?

USER: Well, that wont work out for me because I need a flight with 1 connection so that my friend will join in the middel of my trip.

ASSISTANT: Ok, let me check availability with 1 connection flights for you.

USER: Sure.

ASSISTANT: Sorry Melissa Moore, all the flights with 1 connection in your required route are already booked.

USER: Oh! I see, never mind. I'll just do it after the holidays.

ASSISTANT: Thank you for contacting our agency, keep reaching us for your further bookings also.

USER: Anyway thank you for the information.

ASSISTANT: Have a nice day.