Never book with Travel Merry. I tried to book two tickets to Ireland last year. They were going to be pretty cheap, so it made sense to gamble with a weird site. They confirmed ONLY ONE ticket. I called to find out what happened to the other and they said it would confirm soon. Just over 24 hours later, I got an email saying the second was CANCELLED. When I called, they said it would cost TWICE THE FLIGHT COST to cancel the ticket and about the same to book the second ticket for my wife. So I had the choice of flying separately from my wife or pay double the advertised price. Thank goodness Chase agreed it was FRAUD and withdrew the charge. Over a year later, I started getting harassed by TravelMerry about cancelling their charge by people who are misrepresenting what happened, as if I just wanted to add on a ticket.
SO, book Travel Merry if you want to NOT get the flight and then have them try to get you to pay Double for flights, and then harass you. That is the Travel Merry business model.