You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I want to book a flight to PHL to meet my sister. Can you book a flight from PHL?

ASSISTANT: Sure, I will help you with that flight ticket booking. Can you please share your respective travel dates?

USER: I will fly on Apr 24 and return on Apr 26.

ASSISTANT: May I know your name please?

USER: My name is Katherine Hall.

ASSISTANT: Would you like to travel in a connecting flight or in direct flight?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Sorry to inform you that, there are no flight found on this route as per your details.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us, have a great day.

USER: Thank you for helping me.