You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am John Robinson.

ASSISTANT: How may I be in your service?

USER: I would like to go for Wayne Newton's Casa De Shenandoah Tour with my friends in Las Vegas, LAS. Can you help in finding a flight for me from ATL?

ASSISTANT: Ok, please can I know travel dates?

USER: I like to travel on 02/21 and I will be back on 02/23.

ASSISTANT: Sorry, to say I did not found a flight for your intents.

USER: That's ok, thank you for your help.

ASSISTANT: Thank you for availing our agency.