Renting a Bike

Customer: Hi, I want to rent a bike. Can you help me?
Staff: Of course. How long do you want the bike?
Customer: For three hours. I want to ride in the park.
Staff: Great. Do you want a normal bike or an electric bike?
Customer: What is the difference in price?
Staff: A normal bike is five euros an hour. An electric bike is eight euros an hour.
Customer: I want a normal bike, please. So three hours is 15 euros?
Staff: Yes, that's right.
Customer: Okay, that's fine. Do you have helmets?
Staff: Yes, a helmet is free with every bike.
Customer: Great. Do I need to leave a deposit?
Staff: Yes, we need 50 euros deposit. You get it back when you return the bike.
Customer: Okay, no problem. Can I pay by card?
Staff: Yes, of course.
Customer: Here you are. What time do I need to return the bike?
Staff: You have the bike until to 30 p.m. Please come back before that time.
Customer: Perfect. Here is my phone number if you need me 067-345-678.
Staff: Thank you. Enjoy your ride.
Customer: Thank you. Goodbye.