You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I provide assistance for you?

USER: Please book a ticket for my brother John Roberts.

ASSISTANT: Ok. May I know the planned journey dates?

USER: She has to travel from Washington on 10/06. He will be returning on 10/08.

ASSISTANT: I need the journey locations to search  for flight availability.

USER: Washington IAD is origin. Orlando, MCO is destination, coming to me after a long time.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a connecting flight available with fare 100.

USER: Ok.

ASSISTANT: Airline is Delta and flight number is 1017. Shall I confirm it?

USER: Yes, you can book it.

ASSISTANT: Ok, reservation has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.