You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I want to reserve my ticket from PHL to DCA to visit Washington, can you please help me in booking?

ASSISTANT: Sure, I am here to help you. Can you please share your travel dates?

USER: Sure, my planned dates of journey are from Nov, 02 to Nov, 04.

ASSISTANT: May I know your connection limit?

USER: Yes, I want to fly in a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: Yes, I want to return at morning time.

ASSISTANT: Ok, please share your name.

USER: Sure, my name is Anthony Campbell.

ASSISTANT: Sorry, there are no flights in this route as per your travelling details.

USER: Ok, not an issue. Anyways, thank you for your service.

ASSISTANT: Thank you for reaching us.