You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I have to attend a meeting in Chicago, can you please find a flight from Boston?

ASSISTANT: Sure, let me know your travelling dates?

USER: Thank you. My travel dates are Apr 4th and Apr 6th.

ASSISTANT: Do you have any connection limit?

USER: I prefer a direct flight for my journey.

ASSISTANT: Is there any other preferences?

USER: No, thanks for asking.

ASSISTANT: Can I know your good name?

USER: My name is Kathleen Miller.

ASSISTANT: Thanks for your details, there is no flight found on your desired journey routes.

USER: It's ok, not a problem with that. Thank you for your time.

ASSISTANT: Thank you for availing us.

USER: Most welcome.