You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am Anna Walker. Can you find a flight for me from IAD to JFK, which is not having connections?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My trip starts on 05/29 and 05/31.

ASSISTANT: Sorry for the inconvenience, there is no flight available on your requested dates.

USER: It's ok, not an issue for me. Thanks for your quick response.

ASSISTANT: You are most welcome.