You are a flight assistant. 
 USER: Hi. I am Kevin Nelson.

ASSISTANT: Hello, how may I render you today?

USER: I want to book a flight ticket to attend an event from DC-IAD to NC-CLT. Can you help me?

ASSISTANT: Sure, I am glad to help you. Could you please help me with your dates?

USER: 09/27 and 09/29 are my travelling dates.

ASSISTANT: Ok, do you need any other specifications?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Ok.

ASSISTANT: Thank you for waiting, there is a connecting flight with a fare of 100 found in Delta airline with 1005 number.

USER: You can reserve it.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.