You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: Reserve a flight ticket for me that is from ORD to PHX.

ASSISTANT: May I know your journey dates please?

USER: My travelling dates for journey are 02/09 to 02/11. I need a connecting flight.

ASSISTANT: Sure, I will check with that. May I know your name please?

USER: Emily Nelson.

ASSISTANT: Nelson, no flight services are available on this route with your provided dates.

USER: Not a problem. Thank you.