fix: pass lang to create booking

i18n/dictionaries/sv.json

@@ -171,6 +171,7 @@
   "How it works": "Hur det fungerar",
   "Hurry up and use them before they expire!": "Skynda dig och använd dem innan de går ut!",
   "I accept the terms and conditions": "Jag accepterar villkoren",
+  "I would like to get my booking confirmation via sms": "Jag vill få min bokningsbekräftelse via sms",
   "Image gallery": "{name} - Bildgalleri",
   "In adults bed": "I vuxens säng",
   "In crib": "I spjälsäng",