2s / Telephoning/ Collect calls RC

Read the following dialogue and click the correct answer:
Situation: John and Dennis are driving home from work in Chicago. On the sidewalk they see a tourist who has damaged his car.
John:What's the problem sir? Would you like to make a phonecall?
Man:Yes, but I regret to say that I don't have any money on me.
John:Oh, that's no problem. You can just dial 1-800 COLLECT.
Man:Oh, that's great.
John:Yes, it will also save a few dollars.
Man:Thank you
John:You're welcome.