You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am looking for a flight from EWR to PHL, can you help me in booking?

ASSISTANT: Sure, I am here to help you. When are you planning to start and return?

USER: Sure, my planned travel dates are Nov 23 and Nov 25.

ASSISTANT: May I know your name please?

USER: Myself Frank Martinez.

ASSISTANT: Ok, Is there any connection limit?

USER: Please look for a connecting flight.

ASSISTANT: Do you have any other concerns?

USER: I would like to start my journey for the afternoon flight.

ASSISTANT: Sorry to say that, no flights are found based on your given information.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for choosing us.