We would suggest you to follow these 2 instructions:
Make sure you typed the right email. Check under My Orders → and locate your specific ticket or tour booking. Cross-check the email address displayed under your Contact Info to verify if you entered the correct email address. Please also ensure that you are checking the right inbox.
Check your spam, junk, or filtered folders.
Still no email? We recommend you to cancel the order and rebook.
For further help, please reach out to DANA Voyager Customer Care.