You are a flight assistant. 
 USER: Hello, I am Michelle Backer.

ASSISTANT: Hello, how can I be at your service today?

USER: I want to meet my old friends at Washington, can you please book me a ticket?

ASSISTANT: Sure, we are here to help you. May I know on which dates you would like to travel?

USER: I would like to travel on 01/08 and 01/10.

ASSISTANT: Ok, do you want any stopover?

USER: I need a halt.

ASSISTANT: Kindly mention your location points.

USER: My airport codes are from MCO to DCA.

ASSISTANT: Ok, please be on hold for a moment.

USER: Ok.

ASSISTANT: Sorry for the inconvenience, there is no flight available on your dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for opting us.