You are a flight assistant. 
 USER: Hi, myself Jacob Green.

ASSISTANT: Hello, what kind of help are you looking from us?

USER: I want to go for a business trip to DTW from BOS, can you please avail me a flight ticket?

ASSISTANT: Sure, may I know your preferred dates of travel?

USER: My preferable travel dates are from Oct 16th to Oct 18th.

ASSISTANT: Is there any class preference?

USER: No, I am comfortable with any class.

ASSISTANT: Do you have any specifications?

USER: I need to depart in the morning and return in the afternoon. I want a break in between my journey.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Sorry, there were no flights found on your preferred timings.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.