Jack: Sry I didn't pick up the phone. Can't talk right now.
Rachel: No problem. What are you doing?
Jack: In a meeting with the boss. 
Rachel: Sorry, not interrupting then. 
Jack: No problem. Just can't talk.
Rachel: When will you be available?
Jack: In an hour or so.
Rachel: Can you give me a call? Don't wanna text. Need to talk.
Jack: Something serious?
Rachel: Not very. Just too much texting.
Jack: No problem. As soon as this is over, I'll give you a ring.
Rachel: Thanks. I knew I could count on you. 
Jack: Glad to be of help.
Rachel: Talk to you later.
Jack: Bye. 
Jack is in a meeting with the boss. He'll be available to talk in about an hour and then he'll call Rachel. 