I would like to send an email saying thank you for the interview.
user
OK, sure. Did you want to write a follow-up email to you?
assistant
Can you help me write that email?
user
You bet.
assistant
What should I write and how should I say thank you?
user
You could write something like:

"Thanks for taking the time to chat with me. I enjoyed our discussion, and hope that we can talk again at some point in the future."
assistant
I would like to send an email saying thank you for the interview.
user
OK, sure. Did you want to write a follow-up email to you?
assistant
Can you help me write that email?
user
You bet.
assistant
What should I write and how should I say thank you?
user
Well, it depends on what you want to say.  What do you have in mind?
assistant
I would like to send an email saying thank you for the interview.