Write me an email to a professor respectfully declining their request for my attendance at a conference
Hi Professor,

It is so great to hear from you. 

I am so glad you thought of me to attend this conference. Unfortunately, I have a tentative vacation planned that week but please do keep me in mind for future opportunities. 

Thank you,
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: Write me an email to a professor respectfully declining their request for my attendance at a conference
### Input: 
### Response: Hi Professor,

It is so great to hear from you. 

I am so glad you thought of me to attend this conference. Unfortunately, I have a tentative vacation planned that week but please do keep me in mind for future opportunities. 

Thank you,