1.

What does this man want to buy?

He wants to buy two return tickets to Paris for this afternoon.

2.

What travel class does he choose?

He chooses tourist class.

3.

When would he like to return?

He would you like to return on next Saturday.

4.

What time does the train leave Paris?

The train (It) leaves Paris at 10 am.

5.

How much do the two tickets cost?

The two tickets cost 84 pounds.