You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I want to travel from DCA to PHL. Can you help me out in booking a ticket?

ASSISTANT: Sure,can you please provide your travelling  dates?

USER: My departure date is on 04/08 and my return will be on 04/08.

ASSISTANT: Do you have any other requirements?

USER: The price should be 5000 and with 1 connection.

ASSISTANT: As per your requested details there is a flight available with 1 connection and price limit is 100.

USER: Please book my ticket.

ASSISTANT: OK. May I know your name for further proceedings?

USER: I'm Susan White.

ASSISTANT: Your  flight ticket is booked.

USER: Thank you for your help.

ASSISTANT: Your welcome.