You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to visit the Reading terminal market in Philadelphia, PHL. Can you avail me to book a direct flight ticket?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My travel dates are Sept 23 and 25.

ASSISTANT: May I know your source point?

USER: I want to start from New York, EWR.

ASSISTANT: Do you have any other specifications?

USER: I want to depart in the evening time in economy class.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: Oh, it's very sad to hear from your side.

ASSISTANT: May I know your good name for documentation purpose?

USER: William Walker here.

ASSISTANT: Thank you for reaching us.

USER: Thank you for sharing the information.