Choose the correct, most natural-sounding response according to the context of the conversation:
CLERK: First or second-class?
CLERK: First class tickets are £47 each and second-class tickets are £35 each.
CLERK: If you like... When would you like to come back?
CLERK: Yes... there's a train from Manchester to London leaving daily at 4:00 PM... Would you like me to book two tickets for you?