You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I'm planning to schedule my trip to Philadelphia to visit Liberty Bell on 06/07.

ASSISTANT: Oh! ok, may I know your from and to airport codes please?

USER: I would to start my trip from IAD and would like to land in PHL.

ASSISTANT: Fine, do you want me to book return ticket also?

USER: Yes, I also want to book a return ticket on 06/09.

ASSISTANT: May I know your name for further proceeding?

USER: My name is Karen Garcia.

ASSISTANT: Spirit airline is having service on that route with flight-1021, in which 200 is the ticket fare with only 1 connection. Is that ok for you?

USER: That's perfect, please confirm my ticket with that flight.

ASSISTANT: I have successfully booked your ticket, have a safe flight.

USER: Thank you for your help.

ASSISTANT: Most welcome.