What should I provide for my visa application if I haven't booked a flight yet?

The user is seeking help because they need to complete required information for a visa application without having a booked return flight to Thailand, as they plan to return in a few days. Comments suggest that while specific flight details are often required, the exact booking may not be essential. Recommendations include entering a flight number, using services that provide temporary flight bookings, and considering different ticket types like flexible tickets.