Change one letter

[Sky_scraper]

Pets

 

[Debz]

Pots

 

[Sky_scraper]

Toss

 

[Debz]

Moss

 

[Sky_scraper]

Most

 

[Debz]

Lost

 

[Sky_scraper]

Last

 

[Debz]

Past

 

[Sky_scraper]

Fast

 

[Debz]

Mast

 

[Sky_scraper]

Must

 

[CR34T1V3S0UL]

I'm back!!!!!
Did yea

Mist (me?)

 

[Debz]

Welcome back, CR34T1V3S0UL! Always mist ya

Thread

Fist

 

[Sky_scraper]

Fest

Yes, WB @CR34T1V3S0UL!!
How is your day going?

 

[CR34T1V3S0UL]

Sorry I didn't get back to you earlier @Sky_scraper...

Fast

 

[Sky_scraper]

Stay

No worries @CR34T1V3S0UL!!

 

[Debz]

Stab

 

[CR34T1V3S0UL]

I'm doing quite well
How are you doing @Sky_scraper and @Debz?

I'll stay, no need to stab lol
Pats

 

[Debz]

Sorry, CR34T1V3S0UL! It was the only word that sprung to mind! I'm good. How's things with you?

Pans

 

[CR34T1V3S0UL]

I couldn't resist @Debz

Pals