You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Angela Allen here.

ASSISTANT: Angela Allen. How may I help you?

USER: I need to attend a business meeting at Washington, can you please help me in booking a flight ticket from PHL to IAD?

ASSISTANT: Sure, my please. Can you please provide me with the travel dates?

USER: Sure, my travel dates are from May 26 to May 28.

ASSISTANT: Give me moment please.

USER: Sure.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: Spirit Airlines with flight 1003 is providing service on your route with a single connection.

USER: Ok, please proceed with that.

ASSISTANT: Your ticket is booked in the economy class with the fare of 100.

USER: Thank you for booking.

ASSISTANT: Thank you for approaching us.