You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Myself Matthew Rodriguez. I need to meet my friend in Philadelphia, can you please book flight ticket from OAK and PHL?

ASSISTANT: May I know your desired travel dates please?

USER: My journey dates are 01/18 and 01/20 with the budget limit 200.

ASSISTANT: Sorry to say, there is no flight on your desired travel dates.

USER: That's not an issue, I will take my friends help to travel my place by road.

ASSISTANT: Thank you for opting us.

USER: Thank you searching the flights.