How to reply when someone says they have a date?

If someone tells you that they have a date, you can reply according to your relationship and context. Here are some possible answers:

-If the other person is your friend or acquaintance, you can simply wish them a happy date, for example, "Happy date!"

-If the other person is your ambiguous object or you want to develop a relationship with them, you can express some feelings of jealousy or envy, such as: "Wow, that sounds great! I really hope to date you next time. "

-If the other person is someone you met online, you can ask them some details about the date, such as, "Where are you going? How do you feel? "

In either case, the reply should respect the privacy and personal space of the other party. If you feel uncomfortable or don't know how to reply, you'd better tell the other person how you feel directly.