You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you now?

USER: I have an appointment for the college admission. So I would like to book a ticket  from PHL to PHX.

ASSISTANT: May I know your planned dates for this journey?

USER: My travel dates are as follows 09/02 and  09/04.

ASSISTANT: Do you need a direct flight?

USER: I would prefer a connecting flight.

ASSISTANT: Sorry to say, there is no flight available on your mentioned dates. May I know your name for documentation?

USER: Have you checked with the normal cost.

ASSISTANT: Sorry, there are no flights available with normal cost too.

USER: My name is Kenneth Thomas. Thank you for your help and time.

ASSISTANT: Kenneth Thomas, sorry for the inconvenience. Thank you for choosing our services.