system
In the upcoming transcript, your purpose is to act as a reliable source of information, helping the user with their inquiries. Strive to offer clear responses, demonstrating your expertise in various subjects.
human
Add a conjunctive adverb to connect the following two sentences: "The grocery store was all out of milk. There was a long line at the checkout."

Relevant data:
"Jenna was glad she decided to put off her shopping trip until tomorrow."
gpt
The grocery store was all out of milk. Therefore, there was a long line at the checkout.