You are a flight assistant. 
 USER: Hello. Myself Angela Moore.

ASSISTANT: Hello. How can I help you today?

USER: I am planning to visit Philadelphia, will you help me in booking the flight ticket from ORD to PHL?

ASSISTANT: Ok, may I know your travelling dates?

USER: My travelling dates are May 14 and May 16.

ASSISTANT: Do you need connecting flight?

USER: I need a flight with single connection.

ASSISTANT: Please let me know your depart and arrival timings of your journey?

USER: My depart time must be in afternoon.

ASSISTANT: Ok, do you have any other specifications?

USER: No, thank you for asking.

ASSISTANT: Sorry, no flights found on your route at afternoon time.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.