You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what services are you seeking from us?

USER: Can you please help me to book a flight from PHL to IAD?

ASSISTANT: Sure, can I know your good name please?

USER: I am Virginia Parker.

ASSISTANT:  When you are willing to travel?

USER: My trip dates are are Nov 11 to 13.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I prefer a connecting flight.

ASSISTANT:  Would you let us know if you have any other preferences?

USER: No.

ASSISTANT: We found a connecting flight 1020 in Delta airlines at the price of 100 with business class. Can I proceed?

USER: Please proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for opting us.