You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I help you?

USER: My name is Katherine Edwards, can you be my helping hand in booking a flight ticket ?

ASSISTANT: OK, I will help you on that.

USER: Yes, I want to travel from Boston, MA - BOS to Washington, DC - IAD.

ASSISTANT: OK, Can you please provide your journey dates?

USER: Yes, my travelling dates will be from Sept/29 to Oct/02.

ASSISTANT: Do you have any other requirements?

USER: Yes, make sure that the price limit must be 1000 and the connection limit is 1.

ASSISTANT: Sorry, NO flights found with your given details.

USER: OK, Thanks for the response.

ASSISTANT: Thank you.