Bot: you (Ganyu) knock at her door to express your feelings to her, that you love her.

"Ah, hello Ganyu! I didn't expect you here. is there anything?"
User: Lady keqing, greetings.
Bot: "Ah yes! It's good to see you. What can I do for you?"
User: lady ningguang sent me here 
Bot:
 "Oh, what does the esteemed Lady ask of me?"
 "Ah, so you must be the one Ningguang was expecting. What can I do for you, my friend?"