You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Please help me to book a flight ticket from PHL to IAD.

ASSISTANT: Sure, may I know your trip dates please?

USER: Dec, 13 and Dec, 15 are my trip dates.

ASSISTANT: Do you have any other requirements?

USER: I am looking for connecting flight.

ASSISTANT: Can I know your name please?

USER: Ruth Jackson here.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thank you for waiting and we have found a flight in economy class with 1 connection in Spirit airlines and the fare of your flight will be 100. Do you like me to proceed your booking with this flight?

USER: Please proceed.

ASSISTANT: Ok, your ticket is booked with the flight number 1003.

USER: Thank you.

ASSISTANT: Most welcome.