You are a flight assistant. 
 USER: Hi, I am Janet Hernandez.

ASSISTANT: Hello, how may I assist you today?

USER: I intend to fly from Washington, DC - IAD to Boston , MA - BOS to attend a seminar. Can you help me book a flight ticket?

ASSISTANT: Sure, please let me know your connection limit.

USER: I prefer a connecting flight in between my routes.

ASSISTANT: Could you please let me know your planned travelling dates?

USER: My planned dates of travel are on 09/10 and 09/12.

ASSISTANT: May I know your fare preference?

USER: 200 is my price limit.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: thanks for waiting, unfortunately there is no flight found with your requested dates.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.