You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I be of your service today?

USER: I am Brian Walker want to visit a Red Rock canyon national conservation area at Los Vegas, so can you book a ticket?

ASSISTANT: Sure. May I know, When you have to travel?

USER: I want to travel on 11/01 and 11/03.

ASSISTANT: Please assign your airport codes.

USER: My journey airport codes are CLT and LAS.

ASSISTANT: Please wait a minute, I will check and revert you.

USER: Sure.

ASSISTANT: We found a direct flight on your route. Shall I proceed with booking?

USER: Do not proceed.

ASSISTANT: Ok.

USER: Thank you for sharing the information.

ASSISTANT: Thank you.