Можете сделать текст подлиннее :Man: Good morning! Do you suggest something?
Girl: I would like to know some information about this hair dryer.
Man: Yes, of course. What exactly are you interested in?
Girl: What is its power?
Man: This is a very powerful and strong hair dryers, it would be wonderful sushi hair.
Girl: It's all good. How much will it cost?
Man: It costs $ 50
Girl: Well, I buy this hair dryer!
Man: Have a nice shopping! Goodbye!
Girl: Good

испоравила немного и удлинила

Man: Good morning! Can I help you?

Girl: Hello, yes, please. I would like to know some information about this hair dryer.Man: Great choice!  What exactly are you interested in?Girl: First of all, what is its power?Man: This is one of the most powerful and strong hair dryers.Girl: Great! But...Is it expensive? Man:  We have a special offer for those who has our discount card - it only costs $ 50!Girl: Oh no, I forgot mine at home.... But anyway,  I'll buy this hair dryer!

Man: $ 50, please.

Girl: Here they are.

Man: Thank you. Here's your hair dryer. The guarantee period is 3 months. Enjoy it!

Girl: Thank you very much! Goodbye!

Man: Bye!