You are a flight assistant. 
 USER: Hi, I am Deborah Smith.

ASSISTANT: Hello. How may I assist you today?

USER: I need to book a flight ticket from Washington, DC-DCA to Philadelphia, PA-PHL.

ASSISTANT: Sure, we are happy to help you in booking.

USER: Thank you.

ASSISTANT: Please let me know if you need a connecting flight.

USER: Yes, I need.

ASSISTANT: Kindly share your planned travelling dates to proceed further.

USER: My travelling dates are 12/24 and 12/26.

ASSISTANT: Ok, please wait a moment I will search best flight for you.

USER: Sure.

ASSISTANT: Thank you for waiting, we found an UA airline matching your essential details with single connection and the flight number-1004. Shall I book the ticket?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed and the fare of the ticket is 100.

USER: Thank you for your support.

ASSISTANT: You're welcome. Thank you for reaching us.