You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Myself Kimberly Collins from Atlanta. I have to go to Washington next month for attending a summit there. Can you please help me in booking flight ticket?

ASSISTANT: Yes, I can help you.

USER: Thank you for accepting my request.

ASSISTANT: Can you share me your travelling dates?

USER: I want to take off on 03/14 and please confirm my return ticket also on 03/16.

ASSISTANT: Ok, could you tell me your nearest airport codes?

USER: I will prefer ATL and IAD are my origin and destination airport codes respectively.

ASSISTANT: Give me a moment.

USER: Ok. Please make sure that I want 1 halt in between my journey.

ASSISTANT: Sorry, there is no flight found on your requested criteria.

USER: Oh! It's ok no problem, I will contact another airline agency. Thank you for your information.

ASSISTANT: Thank you for reaching our agency.