Asking about opening hours ?
Asking about lunch facilities ?
Giving info on gift shop
Confirming date
gaining time to think
Picking 1 suggested date
Giving opening hours
Asking to set a time?
info on most interesting exhibits
greetings + offering help
Expressing satisfaction + polite ending
Asking tour duration ?
no vacancy + other date
refusing date + proposing other date
Giving info on lunch facilities
Giving tour duration
Asking about existence of gift shop?