You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Michael Roberts here.

ASSISTANT: Yes, Michael.

USER: Actually I planned a business meet with my father in SEA.

ASSISTANT: That's great. So, from where will you start your journey?

USER: I will start my journey from LGA.

ASSISTANT: Ok, provide me  your journey dates too.

USER: I want you to book a ticket in the middle of the june month. It's from 06/16 to 06/18.

ASSISTANT: Ok, give me a moment, Michael.

USER: Sure.

ASSISTANT: Michael, sorry for the inconvenience, no airline is ready to provide flight on those days. Do you want to book with another dates?

USER: No, anyway thank you for your help.

ASSISTANT: Thank you for choosing us, have a good day.

USER: You are welcome.