在印度Cleartrip上订火车票提示失败，但是信用卡

如题，然后发了一封邮件

We're very sorry, but we were unable to confirm your New Delhi-Varanasi one-way trip and you have been charged Rs. 3,385. Please do not panic – We are trying to confirm your Booking. If the confirmation does not happen, we will refund the amount you have paid. Please call us in the next 15 minutes to know the latest on your Booking. For any assistance please call(7 AM to 10 PM - Indian time): 91 22 4130 0300 (standard STD / local charges apply), 800 22 5327 (toll free from MTNL/BSNL).

真的要打电话么，有什么解决办法么