ようにする
yōni suru

Suru Verb
Expression

1. to see to it that ...; to make sure that ...; to try to ...; to make an effort to ...

Usually Written in Kana
ありがとう。また、次 つぎ にくるようにします。
arigatō. mata tsugino hini kuru yōni shimasu.
Thanks. Maybe we'll come back.