Please correct

[Estella Chan]

Oh .. Estás en Tokyo todavía! Pienso que terminas las reuniones del DDS. Comes más sashimi antes de volver a Hong Kong. Descansas en el avión. Hasta luego.

[Rusty]

Originally Posted by Estella Chan

Ah, ¡estás en Tokyo todavía! (Oh, you're still in Tokyo!)
Pienso que terminas las reuniones del DDS. (Did you mean, "I thought you had finished the DDS meetings"? If so, you should use the two other tenses. If you don't know these tenses yet, what you wrote is OK, except that 'creer' is the better choice for 'belief'.)
Comes más sashimi antes de volver a Hong Kong. (Did you mean the command, "Eat"? If so, you should use the command form of the verb. It's very easy to find the command form for all verbs. You just have to know what person you'll be using. 'Come' is the second-person command form of 'comer'.)
Descansas en el avión. (Here again, I think you wanted to use the command form. 'Descansa' is the second-person imperative.)
Hasta luego.

Good job.
Espero que te ayuden las correcciones y pistas. Si tienes preguntas, háznoslas saber.

I've included and corrected your thread title below (because I'm about to change it).

Corrige, por favor.
No sé si mi escritura vale. Gracias.