You promised you would meet your Thai love online but for some reason you couldn't make it? Thai girls can take something like this very seriously.

It is up to you to make up for it and show her that you still care.

I am sorry but I was busy yesterday.

Pom Kor Taut Muear Warn Pom Yoong Mark 

ผมขอโทษ เมื่อวานผมงานยุ่งมาก

I have something I have to do.

Pom Mee Too Rah Taung Thum

ผมมีธุระต้องทำ

I will speak to you soon.

Laaw Kuy Kan Mai Na Krub

แล้วคุยกันใหม่นะครับ

I have a headache.

Pom Mai Sabaay Puad Hua Krub

ผมไม่สะบาย  ปวดหัวครับ

I didn't feel well, but I'm better now.

Pom Roo Suek Mai Kooy Sabaay Tae Taurny Dee Khuen Laaw

ผมรู้สึกไม่ค่อยสบาย แต่ตอนนี้ดีขึ้นแล้ว