Correção de diálogo "Knowing your colleague"

Hi!

I made this simple conversation. Please, can you spot any error? Thank you!

Paul: Hi! My name is Paul. What is your name?
Jessie: Hi! My name is Jessie.
Paul: How are you Jessie?
Jessie: I am fine, thanks. And how are you doing?
Paul: Good, thank you. How old are you?
Jessie: I'm eighteen years old. And how old are you?
Paul: I'm twenty. Do you have any brothers and sisters?
Jessie: I have one sister. She is two years younger than me. And you?
Paul: I have two brothers. Both are older than me. One has twenty three and the other has twenty six.
Jessie: It was nice to meet you Paul. I hope to talk to you soon.
Paul: It was my pleasure. Yeah, let's talk tomorrow. Goodbye.
Jessie: Bye bye.