You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I want to book a ticket from PHL to EWR. Could you book a ticket?

ASSISTANT: Sure, I will help you. Please help me with your name.

USER: My name is Matthew Nelson.

ASSISTANT: Please help me with your planned travelling dates.

USER: Travelling dates are Jan, 28 and Jan, 30.

ASSISTANT: Do you need a break in your journey?

USER: I need connecting flight.

ASSISTANT: Do you have any other preferences in your journey?

USER: I would like to return in the afternoon.

ASSISTANT: Please allow me a minute.

USER: Sure.

ASSISTANT: Matthew Nelson, I am really sorry to inform you that there are no flights available for your journey.

USER: Thank you.

ASSISTANT: Thank you for reaching us. Have a great time.