You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: My name is Linda Rodriguez, I want to book a flight from PHL to IAD to meet my friend. Can you book a flight for me?

ASSISTANT: Sure, May I know the journey dates?

USER: I will travel on Oct 14 and return on Oct 16.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any preference in return time?

USER: I want my return flight in afternoon.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for opting us.