You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Kevin Parker.

ASSISTANT: How may I assist you?

USER: I want to open a Restaurant at Las Vegas. So, I would like to taste and understand various cooking methods. Can you help me with booking?

ASSISTANT: Sure, may I know your airport codes?

USER: PHX is my origin and LAS is my destination.

ASSISTANT: Your travel dates please.

USER: 08/10 and 08/12 are my travelling dates.

ASSISTANT: There is no flight on your name. Sorry, there is no flight on your details.

USER: Ok, thank you for your service.

ASSISTANT: Thank you.