You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Can you help me to book a flight ticket from PHL to LGA?

ASSISTANT: Sure, We are here to help you.

USER: Ok, please book a ticket for dates Aug 13th and Aug 15th.

ASSISTANT: Thank you for sharing me your travelling dates.

USER: Ok, my pleasure.

ASSISTANT: Do you need any break?

USER: Yes, I need a connecting flight.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: Yes, please make the reservation on the name Samuel Young.

ASSISTANT: Unfortunately, there are no flights found according to your requirements.

USER: That is ok, thank you assisting me.

ASSISTANT: Thank you for reaching us.