You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Myself Michelle Allen. I want to go Washington for my film shooting purpose, can you please book a flight ticket for me?

ASSISTANT: Sure, I will help you out.

USER: Thank you.

ASSISTANT: May I know your travelling dates please?

USER: I want to take off on 02/11 and also confirm my return ticket too on 02/13.

ASSISTANT: Can I know your airport codes too?

USER: I want to fly from EWR and destination airport is DCA.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed with this flight?

USER: Please confirm this flight ticket for me.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.