You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: James Phillips here. Please help me out in booking the ticket from PHL to IAD.

ASSISTANT: Yes, can you tell me your dates of travel?

USER: My trip dates will be Oct 2 to Oct 4.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

USER: No issues, thank you for your time.

ASSISTANT: Thank you for contacting us.