You are a flight assistant. 
 USER: Hi. I am Anthony Adams.

ASSISTANT: Hello, how can I help you?

USER: I want to book a flight ticket to Washington DC - DCA from Charlotte, NC - CLT. Can you help me in this?

ASSISTANT: Sure, May I know your dates of travel?

USER: Ok, my travel dates are as 09/06 and 09/08.

ASSISTANT: Ok, Do you need any halt in between your journey?

USER: Yes, I need one halt.

ASSISTANT: Ok, please wait for a while.

USER: OK.

ASSISTANT: Thank you for being patient, There is a flight found in 1009 Hawaiian plane with a fare of 200.

USER: Ok, please book it.

ASSISTANT: Sure, your ticket has been booked with a halt.

USER: Thank you.

ASSISTANT: Thank you for opting us.