You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you today?

USER: I am Karen Miller. I want to book a flight ticket from NY-EWR to PA-PHL. Can you help me?

ASSISTANT: Sure, we are gleeful to assist you. kindly share your fare preference.

USER: 200 is my fare.

ASSISTANT: May I know your connection preference?

USER: I need a connecting flight.

ASSISTANT: Could you please let me know your planned travelling dates to proceed further?

USER: 04/22 and 04/24 are my travelling dates.

ASSISTANT: Ok, please wait a while.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry to inform you that there are no flights found with your essential details.

USER: No issue. Thank you.

ASSISTANT: Thank you for choosing us.