You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: Can you aid me to book a ticket from PHL to EWR?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My travel dates are Feb 1 and Feb 3 respectively.

ASSISTANT: Are you looking for a connecting flight or direct flight?

USER: I prefer to travel in connecting flight.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: My depart should be in the afternoon.

ASSISTANT: Can you please provide your name to proceed further?

USER: Kevin Walker here.

ASSISTANT: Sorry, there are no flights available at your request.

USER: Ok. Thank you.

ASSISTANT: Thank you for contacting us, have a nice day.