Address a letter to someone.
Person: Dr. Laura Smith
Dear Dr. Laura Smith,

<The rest of the letter content goes here>

Sincerely,
[Your name]
Complete the following task based on the instruction and optional input provided.### Instruction:
Address a letter to someone.

### Input:
Person: Dr. Laura Smith

### Output:
Dear Dr. Laura Smith,

<The rest of the letter content goes here>

Sincerely,
[Your name]