You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Timothy Jackson. I would like to book a ticket from SFO to PHL, can you please help me out?

ASSISTANT: Sure, please provide me your travel dates.

USER: I am travelling on these dates 08/20 and 08/22.

ASSISTANT: I found a direct flight with price 200, shall I proceed?

USER: I need a connecting flight.

ASSISTANT: Sorry, I could not find any flight with your travel dates. Thanks for choosing us.

USER: Ok no problem, thank you for your services.