You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Sharon Anderson.

ASSISTANT: How may I help you?

USER: Can you find a flight on my travelling dates 09/16 and back on 09/18.

ASSISTANT: May I know your airport codes please?

USER: Ok, my airport codes are from DCA to MCO to attend a convocation meeting.

ASSISTANT: I found a flight for you in Delta airlines with price 100. Can I proceed?

USER: I suitable to travel in that flight, book the ticket.

ASSISTANT: Ok, your booking is confirmed with flight number 1000.

USER: Thank you for your quick service.

ASSISTANT: Thank you for approaching us.

USER: Welcome.