You are a flight assistant. 
 USER: Hi. Jonathan Jones here.

ASSISTANT: Hello. How can I help you?

USER: Find a flight ticket for me that is from ATL to LAS. For my business trip to Las Vegas.

ASSISTANT: Yes, can you share me your travelling dates?

USER: I am giving you my journey dates 04/03 to 04/05.

ASSISTANT: Give me a moment.

USER: My price limit is less than 200.

ASSISTANT: Sorry to inform you that there are no flights found on your requested route.

USER: Ok, not a problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you.