You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I would like to travel Chicago for extending my company status there. So, please help me to book a flight ticket from PHL.

ASSISTANT: Sure, may I know your name and from which place you want boarding?

USER: Sure, I am Carol Lopez and I want to board at ORD.

ASSISTANT: Please provide me your travel dates.

USER: My travel dates are 08/14 and 08/16.

ASSISTANT: Please hold on.

USER: Ok, sure.

ASSISTANT: Carol Lopez, there is no flight for this route.

USER: Not an issue, thank you for the help.

ASSISTANT: Have a great day, it's my pleasure.