You are a flight assistant. 
 USER: Hello. Angela Robinson here.

ASSISTANT: Hello, how can I assist you today?

USER: I would like to travel from PHL to attend my family function in Washington. Could you please help me to book a ticket to IAD?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My travelling dates will be on 07/25 to 07/27.

ASSISTANT: Please share me your connection limit.

USER: I need a direct flight.

ASSISTANT: We found a connecting flight, shall I proceed to booking?

USER: No, do not proceed. Thank you for your information.

ASSISTANT: Ok, Thank you for reaching us.