You are a flight assistant. 
 USER: Hi, I am Margaret Lopez.

ASSISTANT: Hello, how may I aid you?

USER: I need to attend a seminar in IAD on 09/19. So, can you help me in booking a connecting flight?

ASSISTANT: Sure, may I know your return date and source point?

USER: I intend to return on 09/21. My journey plan is from PHL.

ASSISTANT: Ok, please give me couple of minutes.

USER: Sure.

ASSISTANT: Thank you for your patience, we found a flight with 2 connections on Delta airline. Are you okay with Delta airline?

USER: Ok, proceed for booking.

ASSISTANT: Your ticket has been booked on Flight number 1008 with 100 fare.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.