You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to go for a photo shoot in Red Rock Canyon which is in Las Veg, can you book aticket for me?

ASSISTANT: Sure, when would you like to travel?

USER: I want to travel from 09/27 till 09/29.

ASSISTANT: Could you please help me with your airport codes for booking?

USER: My location codes are from PHL to LAS.

ASSISTANT: Sorry, we don't found any flights with your requested locations.

USER: That's ok.

ASSISTANT: for documentation purpose, may I know your name?

USER: Carolyn Hernandez.

ASSISTANT: Ok Carolyn, is there anything else do you want to ask us?

USER: Nothing else, thank you for your information.

ASSISTANT: Thank you for approaching us, have a nice day.