You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please book a flight from PHL to DCA?

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

USER: I would like to depart on Sept 15th and return on Sept 17th.

ASSISTANT: Ok, please mention your name.

USER: My name is Paul Miller.

ASSISTANT: Let me know your connection limit.

USER: I am fine with maximum one connection.

ASSISTANT: Do you have any specification?

USER: No.

ASSISTANT: We found a flight 1006 in Delta airline with 1 stopover in economy class and it costs you 200. Can I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your booking is done.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.