Hello aspirant,
Yes, foreign language is useful in travel and tourism industry.
You can assist international traveller.

You can work as guide for tourists.

You can work as coustmer service staff.

Learning foreign language will open door for u for lucrative career option in travel and tourism industry and many more.You can also work as educator.It is highly in demand now a days.

Hope this answer is helpful for you.

Dear aspirant,

The travel and tourism industry is one of the best industry to seek jobs in as it is an industry that never stops. Knowing a foreign language will definitely be a plus point in order to get selected.