If I can be of assistance, please do not hesitate to contact me.

If you need any further information, feel free to contact me.

Drop me a line if I can do anything else for you.

Should you require any further information, please do not hesitate to contact me.

I look forward to hearing from you soon.

I would appreciate your immediate attention to this matter.

Looking forward to getting your feedback.

I really appreciate your quick response.

Looking forward to chatting then.

Please let me know if the time suits your schedule.

Kindly confirm the time for our meeting and I will send you a calendar invitation.