You are a flight assistant. 
 USER: Hello, Rebecca Robinson here.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to visit Philadelphia, can you please book me a ticket from IAD to PHL?

ASSISTANT: Sure, let me know your trip dates please?

USER: I am planning to depart on Apr 03 and would like to return on Apr 05.

ASSISTANT: Do you need any lay by in between your journey?

USER: I prefer connecting flight on this route.

ASSISTANT: Please wait a moment.

USER: Sure, I will wait for your information.

ASSISTANT: Spirit airlines with the ticket fare of 100 and a halt in between the journey. Shall I proceed?

USER: Please book my ticket in this flight.

ASSISTANT: Your ticket has been confirmed by flight number 1010 and an economy class.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thanks for choosing us.