What techniques can be used to improve conversion rates?

Put forward some new ideas.

To arrange these ideas in order of priority.

Do some tests and trials.

Resulting from the testing data analysis.

Development and take necessary action.

keep the conversation informative.

keep it as interactive as possible 

Choose the topic that both of you could relate and interested about.

Make sure he/she/they could relate to the topic.

Remember that it should not be always about yourselfs interest but also to someone you talk to.

You should keep the conversation interesting to someone you speak to

Make sure the conversation makes sense.

In everything you say, always try to explain why is it, if needed.