You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Catherine Scott want to go to the Boston public library to collect the information about Margaret Fuller. Could you please help me in booking a flight ticket?

ASSISTANT: Sure, could you please share your journey dates?

USER: I want to depart on 04/28 and return on 04/30.

ASSISTANT: Ok, may I know from where would you like to deviate?

USER: I want to start from Washington, DC-IAD. I am heading to Boston, MA-BOS.

ASSISTANT: Do you need any halt in between journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Please share your price limit?

USER: My price limit is 1000.

ASSISTANT: Ok, please wait a minute. Thanks for your time, sorry, unfortunately no flights found on that day.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for reaching us, have a great day ahead.