You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: Can you help me in booking a flight ticket from ORD to IAD?

ASSISTANT: When you are willing to travel?

USER: I am willing to travel on 07/25, and return on 07/27.

ASSISTANT: Do you have any connection limit?

USER: I need a stopover in between my journey.

ASSISTANT: May, I know your good name?

USER: I am Carolyn Hill.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for reaching us.