You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want a direct flight to Washington. Can you please book a flight ticket for me?

ASSISTANT: Sure, I will help you out.

USER: Thanks.

ASSISTANT: Can you please provide your name?

USER: Myself Betty Campbell.

ASSISTANT: May I know your travelling dates?

USER: My departure date is 06/22 and please book my return ticket also on 06/24.

ASSISTANT: Can I know your airport codes?

USER: I would like to take off from EWR airport and destination airport is DCA.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: There is a flight with no connections, would you like me to proceed?

USER: That's great, please confirm this flight ticket for me.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing our services.