Given a travel related situation, and given a specific question about the situation, summarize the question into a title
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Question: I use an European online banking account with mobileTAN. The text message will be sent from Germany and is online valid for two minutes.

Will the message reach me in time in Far East Russia, roaming with German SIM card?

Answer: Text message delivery time from Europe to Asia

Question: I've heard that in some overnight trains, rooms don't lock (no door); instead its just a curtain. This means thieves can get in and out easily. Is this true? If so, how do my friends and I keep ourselves and our belongings safe? (Even if we secured it with some sort of lock and cable, if we were sleeping, I would imagine that thieves could just open everything up.)

Answer: Overnight train luggage safety concerns in Europe

Question: I had frequent flyer miles for Jet Airways and using those miles I booked an award flight with Lufthansa, which is a partner airline with Jet.

But I am not able to manage my flight on Lufthansa's website: when I provide my last name and PNR number, it cannot locate my flight.

I am wondering if there are any restriction on managing award flights.

Answer:
Not able to manage award flight via Manage bookings