You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I love and appreciate my parents, and this parents day I am taking them to their favourite holiday trip. We will be travelling from AZ - PHX to NV - LAS. And the dates are 07/23 to 07/25.

ASSISTANT: Ok, please wait for a while. And give me your name.

USER: Catherine Nelson. Price is 200 and one connection.

ASSISTANT: Sorry, there is no flight available on that date. Thanks for reaching us.

USER: Ok, Thank you.