Hi, I need to schedule a meeting with Michael for 2 hours on Sunday. 
Can I get your name, please?
My name is Ben
For what time should the meeting be scheduled?
3 pm. The reason for the meeting is to plan project
Unfortunately Michael is not able to make Sunday @ 3 pm.
Would you like to try scheduling the meeting for a different day or time?
Does he have 6 pm that day?
When do you expect the meeting to wrap up?
2 hours, so 8 pm
Unfortunately Michael is not able to make Sunday @ 6 pm.
Would you like to try scheduling the meeting for a different day or time?
How about 10 pm?
Fantastic, your meeting with Michael has been successfully scheduled for Sunday, 10 pm-12 am.