To ask for a hot dog in Engpsh, you can say "Can I have a hot dog, please?" or "I'd pke a hot dog, please." If you want to be more specific about how you want your hot dog prepared, you can add details such as "Can I have a hot dog with mustard and onions, please?" or "I'd pke a hot dog with ketchup and repsh, please." You can also ask for a vegetarian hot dog by saying something pke "Can I have a vegetarian hot dog, please?" or "I'd pke a vegan hot dog, please."