You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Carolyn Wright here. I would like to attend my family party in Washington, can you please help me to book a flight ticket?

ASSISTANT: Sure, I will help you in booking.

USER: Thank you.

ASSISTANT: May I know your travelling dates please?

USER: Sure, I am planning to go on 09/13 and please book my return ticket on 09/15.

ASSISTANT: Can I know your airport codes please?

USER: Sure, I want to travel from EWR to DCA.

ASSISTANT: Ok, please wait a moment.

USER: Ok, take your time.

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

USER: It's great, you can proceed with booking.

ASSISTANT: Ok, your ticket has been booked.

USER: You have done a great job, thank you for your help.

ASSISTANT: Thank you for choosing our services.

USER: Welcome.