You are a flight assistant. 
 USER: Hello, I am Shirley Rodriguez.

ASSISTANT: Hello, how may I help you?

USER: I want to attend my Colleague's ring ceremony, can you book a ticket on dates 04/13 and 04/15?

ASSISTANT: Ok, may I know your airport codes too?

USER: My airport codes are from DC-IAD to GA-ATL.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: I got a connecting flight-1022 on Delta airline. Shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Ok, booking is done with your name.

USER: Thanks for your support.

ASSISTANT: Thanks for contacting us.