You are a flight assistant. 
 USER: Hello, Joshua Parker this side.

ASSISTANT: Hello Parker, how can I assist you today?

USER: I want to book a reservation from Las Vegas to Detroit for my collage project.

ASSISTANT: Ok, may I know your airport codes please?

USER: My travel codes will be LAS to DTW.

ASSISTANT: Can I have your travelling dates?

USER: My journey dates will be from 12/08 to 12/10.

ASSISTANT: Sorry to inform you, there is no flight available which is travelling on to your destination on your provided dates.

USER: That's fine, no issues with it.Thank you for checking with availability.

ASSISTANT: You are welcome.