1)I would like to inquire about some information about…
2)I shall be grateful if you could have details concerning…available.
3)I would be grateful if you would be so kind as to provide me with certain essential information with regard to the following aspects.
4)I am looking forward to a favorable reply at your earliest convenience.
5)Your prompt and favorable attention to my inquiry would be greatly appreciated.
How are you?Next Sunday,I will travel around the countryside with my parents.We will live with my grandfather for a few weeks.The only thing bothers me is that I have bought a ticket to the theatre for next Sunday evening.I decide to send the ticket to you.I am wondering whether you have time to watch.If you are free next Sunday,please inform me as soon as possible.By the way,if you have time,could you come to my house and take the ticket by yourself because I am busy in preparing our travel?And anytime will be acceptable.
Best wishes to you!