You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Robert Jones. Could you please help me in flight ticket booking process from PHL to JFK?

ASSISTANT: Sure, let me know your travel dates please?

USER: Thank you for your response, I want to take off on Jan 22 and book my return ticket also on Jan 24.

ASSISTANT: Do yo need any airline preference?

USER: I don't have any preferences so please check with that above details.

ASSISTANT: Sure, can I know your name please to proceed further?

USER: I already mentioned my name.

ASSISTANT: Sorry to inform you that there are no flight services available on your given dates.

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: Thanks for contacting us.