You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: Jonathan Anderson here. I would like to book a ticket from ORD to PHL.

ASSISTANT: May I know your planned trip dates?

USER: My planned travel dates are as follows Nov 21 and Nov 23.

ASSISTANT: Jonathan Anderson , are you happy with connecting flight or direct flight.

USER: I would like to travel by single connection flight.

ASSISTANT: I am sorry, for the given dates there are no flights available on this route.

USER: No issue, thank your for your time.

ASSISTANT: Thank you for reaching our agency.